Racks & Enclosures

Mount, organize, protect, and support servers, network switches, storage systems, UPS equipment, firewalls, patch panels, power distribution, and other critical IT hardware with racks and enclosures from Hummingbird Networks. Available solutions include full-height server racks, network cabinets, wall-mount enclosures, open-frame racks, heavy-duty server cabinets, industrial enclosures, and specialized racks for high-density computing and edge infrastructure.

Racks and enclosures provide the physical structure around business IT equipment. The right rack can improve equipment organization, airflow, cable routing, power distribution, serviceability, physical security, and future expansion while supporting the depth, weight, and mounting requirements of modern technology.

Hummingbird Networks offers rack and enclosure solutions from leading infrastructure manufacturers including Eaton SmartRack, Eaton Tripp Lite Series, APC NetShelter, and other compatible brands for network closets, server rooms, edge computing sites, industrial environments, and data centers.

Server Racks, Network Racks & IT Enclosures

Racks and enclosures are designed to provide standardized mounting for business and enterprise technology.

They can support equipment such as:

• Rack servers
• Network switches
• Routers
• Firewalls
• Storage systems
• UPS systems
• Rack PDUs
• Patch panels
• KVM equipment
• Security appliances
• Communications equipment

The correct rack depends on equipment size, rack-unit requirements, chassis depth, equipment weight, airflow direction, cable density, power infrastructure, physical security, and available installation space.

What Is a Server Rack?

A server rack is a standardized mounting structure designed to support servers and other rack-mounted IT equipment.

Server racks commonly use 19-inch mounting rails and are available in different heights, depths, widths, weight capacities, and enclosure styles.

A typical server rack can contain:

• 1U and 2U servers
• Storage arrays
• Top-of-rack switches
• UPS systems
• Power Distribution Units
• KVM consoles
• Patch panels
• Environmental monitoring equipment

What Is a Network Rack?

A network rack is designed primarily around switches, routers, patch panels, firewalls, fiber equipment, and other network infrastructure.

Network racks can be shallower than server racks when the installed equipment does not require full server depth.

Network-rack planning should consider:

• Switch depth
• Patch-panel quantity
• Cable-management capacity
• PoE power requirements
• UPS placement
• Airflow
• Future port growth

Server Rack vs. Network Rack

Server racks and network racks use similar mounting standards but are often optimized for different equipment.

Server rack: Typically deeper and designed for servers, storage, UPS systems, rack PDUs, and other heavy equipment.

Network rack: Often optimized for switches, patch panels, routers, firewalls, and structured cabling.

A single rack can support both computing and networking equipment when its dimensions, weight rating, airflow, and power infrastructure are appropriate.

Rack Enclosures

A rack enclosure is a cabinet-style rack with doors, side panels, and a structural frame surrounding the installed equipment.

Rack enclosures can provide:

• Physical protection
• Restricted access
• Organized cable routing
• Defined airflow paths
• Improved equipment appearance
• Support for rack PDUs
• Controlled service access

Enclosed racks are widely used in data centers, server rooms, offices, edge environments, industrial facilities, and other locations where equipment protection and organization are important.

Open-Frame Racks

Open-frame racks provide standardized mounting rails without a fully enclosed cabinet.

Potential advantages include:

• Easy front and rear access
• Strong passive airflow
• Flexible cable routing
• Reduced enclosure weight
• Lower cost in some installations

Open-frame racks are commonly used in secure network closets, telecommunications rooms, laboratories, and controlled-access environments.

Open Rack vs. Enclosed Rack

An open rack provides maximum equipment access and passive airflow, while an enclosed rack provides greater physical protection and security.

Choose according to:

• Room security
• Equipment cooling
• Dust exposure
• Public access
• Noise requirements
• Cable-management needs

2-Post Racks

A 2-post rack uses two vertical mounting rails and is commonly used for telecommunications and network infrastructure.

2-post racks can support compatible:

• Patch panels
• Network switches
• Routers
• Firewalls
• Lightweight rack equipment

Deep and heavy servers may require a 4-post rack or an approved 2-post mounting kit.

4-Post Racks

A 4-post rack provides front and rear mounting support.

This design is commonly used for:

• Rack servers
• Storage arrays
• UPS systems
• Large network switches
• KVM consoles
• Heavy infrastructure equipment

Four-post construction generally provides better support for deep and heavy equipment.

2-Post vs. 4-Post Racks

A 2-post rack can be appropriate for lighter telecommunications and networking equipment.

A 4-post rack is usually more appropriate for servers, storage systems, UPS equipment, and other deep or heavy hardware.

Mounting requirements should always be verified for the exact equipment.

19-Inch Server Racks

19-inch rack mounting is the standard format used by a broad range of business and enterprise IT equipment.

Compatible equipment can include:

• Servers
• Switches
• Storage systems
• Patch panels
• UPS systems
• Rack PDUs
• KVM switches
• Rack consoles

Always verify the mounting standard and required rail hardware before installation.

Rack Units Explained

Rack height is measured in rack units, commonly abbreviated U.

One rack unit equals 1.75 inches of vertical mounting space.

Examples include:

• 1U network switches
• 1U servers
• 2U servers
• 2U UPS systems
• 4U storage or server systems

What Does 1U Mean?

1U represents one rack unit of vertical space and equals approximately 1.75 inches.

Many network switches, patch panels, KVM systems, and compact servers use a 1U form factor.

What Does 2U Mean?

2U equipment occupies two rack units, or approximately 3.5 inches of vertical space.

2U is common for servers, UPS systems, storage appliances, and other equipment requiring more internal volume.

Full-Height Server Racks

Full-height server racks provide large amounts of vertical capacity for enterprise infrastructure.

Common full-height configurations include:

• 42U
• 45U
• 48U

Current Hummingbird Networks inventory includes Eaton SmartRack 45U and 48U heavy-duty rack enclosures designed for servers, IT equipment, power distribution, and high-density computing.

42U Server Racks

A 42U server rack provides 42 standard rack units of equipment mounting space.

42U has historically been a common full-height rack size for server rooms and data centers.

It provides substantial capacity while fitting many conventional facility designs.

45U Server Racks

A 45U rack provides additional vertical capacity beyond a conventional 42U enclosure.

Current Hummingbird Networks inventory includes Eaton SmartRack 45U heavy-duty enclosures designed for servers, networking, PDUs, patch panels, and high-density infrastructure.

48U Server Racks

A 48U rack provides even greater vertical equipment capacity.

Current Hummingbird Networks inventory includes 48U Eaton SmartRack heavy-duty cabinets in extra-deep and extra-wide configurations for dense server and AI environments.

How Much Rack Space Do I Need?

Add the U height of every piece of planned rack equipment.

Then include additional space for:

• Patch panels
• KVM equipment
• Cable management
• Blanking panels
• Future servers
• Future switches
• Additional power equipment

Choosing a rack with reasonable expansion capacity can simplify future infrastructure growth.

Wall-Mount Racks

Wall-mount racks provide compact equipment mounting in locations where a floor-standing rack is unnecessary or where floor space is limited.

They can be useful for:

• Branch offices
• Retail locations
• Small network closets
• Security systems
• Classrooms
• Remote sites
• Telecommunications equipment

Wall-Mount Network Cabinets

A wall-mounted network cabinet provides enclosed mounting for compatible network equipment.

Depending on the design, features can include:

• Locking doors
• Removable side panels
• Ventilation
• Cable-access openings
• Adjustable mounting rails

How Deep Should a Wall-Mount Rack Be?

The enclosure must be deep enough for the installed switch, firewall, patch panel, UPS, or other equipment plus power and network cable clearance.

Wall-mount depth becomes particularly important when installing modern PoE switches or deeper security appliances.

Can a Server Go in a Wall-Mount Rack?

Only when the server dimensions, weight, rail system, and enclosure rating support the installation.

Many enterprise rack servers are too deep and heavy for typical wall-mounted cabinets.

Short-depth servers may be compatible with selected wall enclosures.

Floor-Standing Server Racks

Floor-standing racks are designed for larger equipment loads and can support deep servers, storage, UPS systems, and enterprise networking hardware.

They are commonly used in:

• Server rooms
• Data centers
• Large network closets
• Enterprise IT rooms
• Edge computing facilities

Standard-Depth Server Racks

Standard-depth racks support conventional servers and networking hardware where extra chassis depth is not required.

Always compare usable internal depth with the deepest equipment and its rail system.

Deep Server Racks

Deep racks provide additional clearance for modern servers, storage systems, UPS equipment, cable management, and rear-mounted power distribution.

Current Hummingbird Networks inventory includes Eaton SmartRack deep server cabinets designed for enterprise and AI equipment.

Extra-Deep Server Racks

Extra-deep racks provide additional space behind installed equipment for:

• Long server chassis
• Large storage systems
• Power connections
• Cable management
• Vertical PDUs
• Service loops

Current Eaton SmartRack inventory includes extra-deep heavy-duty rack enclosures intended for high-density computing.

Extra-Wide Server Racks

Extra-wide racks provide additional side space outside the standard equipment mounting area.

This can help accommodate:

• Large cable bundles
• Vertical cable managers
• Fiber cabling
• Vertical PDUs
• High-density connectivity

Current Hummingbird Networks Eaton SmartRack inventory includes extra-wide cabinet configurations for demanding server and AI deployments.

Standard-Width vs. Extra-Wide Racks

Standard-width cabinets provide sufficient space for many conventional server deployments.

Extra-wide cabinets can improve side cable-routing space when network and power density increases.

Rack width should therefore be selected based on infrastructure requirements rather than server width alone.

Rack Depth vs. Equipment Depth

Rack depth and equipment depth are not the same measurement.

The rack must provide enough usable internal depth for:

• The chassis
• Mounting rails
• Front connectors
• Rear power cords
• Network cabling
• Cooling clearance

Always check usable mounting depth rather than relying only on the external cabinet dimension.

Heavy-Duty Server Racks

Heavy-duty server racks are designed to support substantial equipment weight.

They can be appropriate for:

• Dense server deployments
• Storage arrays
• GPU servers
• AI servers
• Large UPS systems
• High-density power infrastructure

Current Hummingbird Networks inventory includes multiple Eaton SmartRack heavy-duty server cabinets specifically positioned for high-density server and AI infrastructure.

AI Server Racks

AI and accelerated-computing systems can place greater physical demands on a rack because of equipment depth, weight, power consumption, high-speed networking, and cooling requirements.

AI rack planning should consider:

• Static rack weight capacity
• Dynamic rack weight capacity
• Server chassis depth
• High rack power density
• High-capacity PDUs
• Cooling capacity
• High-speed fiber connectivity
• Cable-management capacity

GPU Server Racks

GPU servers can be heavier and consume significantly more power than conventional application servers.

When designing racks for GPU infrastructure, evaluate:

• Server weight
• Rail requirements
• Rack power capacity
• Equipment airflow
• Cooling capacity
• Network cabling

Rack Weight Capacity

Rack weight capacity describes the amount of equipment weight the structure is designed to support.

This becomes especially important with:

• UPS battery systems
• Dense storage
• GPU servers
• Large transformers
• High-density computing

Never calculate rack suitability using U space alone.

Static vs. Dynamic Rack Weight

Rack manufacturers can provide different ratings for stationary and moving racks.

Static weight capacity: The supported equipment weight while the rack remains stationary.

Dynamic weight capacity: The supported weight when a rack is moved according to manufacturer requirements.

These ratings should not be assumed to be identical.

Rack Stability

Heavy equipment can affect the center of gravity of a server rack.

Rack stability can be improved by:

• Installing heavy equipment lower in the rack
• Using approved stabilization hardware
• Anchoring when required
• Using leveling feet
• Avoiding extension of multiple heavy devices simultaneously

Rack Anti-Tip Protection

Sliding servers and KVM consoles can shift a rack's center of gravity when extended.

Anti-tip and stabilization features can reduce the risk of the rack tipping during equipment maintenance.

Always follow rack and equipment manufacturer installation guidance.

Industrial IT Enclosures

Industrial environments can require enclosures designed for dust, moisture, physical exposure, and other environmental conditions not normally encountered in conventional offices.

Industrial enclosures can support compatible networking, computing, security, and control equipment.

Current Hummingbird Networks inventory includes Eaton SmartRack industrial enclosure products.

NEMA-Rated Enclosures

NEMA ratings classify enclosure protection against defined environmental conditions.

Depending on the rating, an enclosure can provide protection against:

• Dust
• Water
• Dirt
• Other environmental exposure

Current Hummingbird Networks rack inventory includes Eaton SmartRack NEMA-rated industrial enclosures.

NEMA 4 Enclosures

NEMA 4 enclosures are designed for environments requiring protection against defined conditions including windblown dust and water exposure.

These enclosures can be useful for compatible industrial and exposed IT environments.

Always verify the exact environmental rating and installation requirements of the specific enclosure.

Outdoor Network Enclosures

Outdoor network infrastructure can require cabinets designed to protect switches, wireless equipment, security hardware, and related electronics from environmental exposure.

Outdoor enclosure planning should consider:

• Environmental rating
• Temperature range
• Sun exposure
• Moisture
• Dust
• Cooling
• Condensation
• Cable entry
• Physical security

Edge Computing Enclosures

Edge computing often places servers and network equipment in locations that were not designed as traditional data centers.

These can include:

• Retail stores
• Warehouses
• Factories
• Healthcare facilities
• Branch offices
• Remote sites

Compact, secure, and environmentally appropriate rack enclosures can help support edge infrastructure outside a central data center.

Network Closet Racks

Network closets typically support switching, routing, firewall, wireless, patching, and communications infrastructure.

A network closet rack should provide enough capacity for:

• Switches
• Patch panels
• Firewalls
• Routers
• UPS systems
• Cable management
• Future network growth

Server Room Racks

Server-room racks typically require greater depth, weight capacity, cooling, and power infrastructure than basic network racks.

Server-room design should coordinate:

• Servers
• Storage
• Networking
• UPS systems
• Rack PDUs
• KVM access
• Cabling
• Cooling

Data Center Racks

Data center racks support high-density infrastructure and are typically designed around standardized power, cooling, network connectivity, and physical layouts.

Data center rack selection should consider:

• Rack height
• Rack depth
• Rack width
• Equipment weight
• Hot and cold aisle design
• PDU mounting
• Network cabling
• Physical security
• Future growth

Rack Doors

Rack doors protect equipment while still allowing required access and airflow.

Available designs can include:

• Perforated doors
• Mesh doors
• Solid doors
• Locking doors
• Split rear doors

The correct door depends on airflow, security, aisle clearance, and environment.

Perforated Rack Doors

Perforated doors allow air to pass through the rack while maintaining physical protection.

They are widely used with equipment designed for front-to-back airflow.

Split Rear Rack Doors

Split rear doors use two narrower door sections instead of one large door.

This can reduce the aisle clearance required when the rear of the rack is opened.

Split doors can be useful in data centers and server rooms with limited rear working space.

Rack Side Panels

Side panels enclose the sides of a cabinet and can help provide:

• Physical security
• Defined airflow
• Cleaner appearance
• Protection from accidental contact

Removable side panels can simplify service access.

Locking Rack Enclosures

Locking rack doors and panels can help reduce unauthorized physical access to equipment.

Locking cabinets can be especially valuable in:

• Shared offices
• Retail locations
• Schools
• Remote sites
• Colocation environments
• Publicly accessible areas

Physical Security for IT Racks

Physical protection is part of overall information-security planning.

Rack security can include:

• Locking front doors
• Locking rear doors
• Locking side panels
• Controlled room access
• Video surveillance
• Access monitoring

Rack Airflow

Racks should support the airflow requirements of the equipment installed inside them.

Poor rack airflow can create localized hot spots even when the room itself appears sufficiently cool.

Airflow planning should account for:

• Equipment intake direction
• Equipment exhaust direction
• Door perforation
• Cable obstruction
• Blanking panels
• PDU placement
• Room cooling

Front-to-Back Rack Airflow

Many servers and enterprise network devices draw cool air through the front and exhaust hot air through the rear.

Rack layouts should support this direction and reduce the chance of hot exhaust returning to equipment intakes.

Rack Blanking Panels

Blanking panels fill unused rack-unit spaces.

They can help reduce hot-air recirculation in racks using front-to-back airflow.

Blanking panels belong to the broader Rack & Enclosure Accessories category when individual accessories are required.

Rack Cooling

Rack cooling can involve both passive and active thermal-management methods.

Depending on equipment density, this can include:

• Perforated doors
• Blanking panels
• Rack fans
• Exhaust fans
• Airflow management
• Room cooling
• In-row cooling

Explore Cooling Solutions when planning thermal management for racks, server rooms, and network closets.

Server Racks & Power Distribution

Power distribution should be planned together with rack selection.

Racks can contain:

• Vertical 0U PDUs
• Horizontal rack PDUs
• UPS systems
• Automatic Transfer Switches
• Power monitoring

Available mounting space for power infrastructure can affect rack width and depth requirements.

0U PDU Mounting

Vertical 0U PDUs mount along the side or rear of compatible racks without consuming standard horizontal rack units.

This can preserve valuable U space for servers and network equipment.

Extra-wide racks can provide additional space for vertical power distribution and cable routing.

Rack Power & Cooling

As rack equipment density increases, both electrical consumption and heat output can increase.

Rack planning should therefore coordinate:

• Electrical circuits
• UPS capacity
• PDU capacity
• Server power
• PoE switch power
• Cooling capacity

Explore Power & Cooling for UPS, PDU, transfer, surge, and cooling infrastructure.

Server Racks & Cable Management

Cable routing should be considered before equipment installation begins.

Rack cabling can include:

• Ethernet
• Fiber optic cables
• Power cords
• KVM cables
• Console cables
• Storage connectivity

Extra-wide racks can provide additional side space for high-density cable routing.

Explore Cable Management for horizontal and vertical routing products.

Rack Cable Entry

Cables can enter racks through the top, bottom, rear, or side depending on the enclosure and facility design.

Entry points should support:

• Required cable volume
• Bend-radius requirements
• Separation of power and data where appropriate
• Service access
• Airflow

Rack Cable Management Space

High port-density environments can consume large amounts of physical cable-management space.

When selecting a rack, consider the number of:

• Ethernet ports
• Fiber connections
• Patch panels
• Switches
• Power cords

Racks for Patch Panels

Patch panels are commonly installed in network racks and cabinets alongside switches.

Rack planning should leave adequate vertical space for patch panels and horizontal cable management.

Explore Patch Panels & Connectors for structured-cabling termination hardware.

Racks for KVM Consoles

KVM switches and rack LCD consoles can occupy dedicated rack space while providing centralized server access.

A sliding rack console typically requires front clearance when extended.

Explore KVM Switches & Consoles for rack-mounted server management.

Racks for Servers

Servers require rack infrastructure that supports chassis depth, weight, rail systems, airflow, electrical power, and service access.

When selecting a rack for servers, verify:

• Server rack-unit height
• Server chassis depth
• Rail compatibility
• Rack weight capacity
• Power requirements
• Airflow requirements

Racks for Network Switches

Network switches commonly use 19-inch rack mounting.

Switch rack planning should account for:

• Switch depth
• Airflow direction
• Patch-panel placement
• Fiber connectivity
• PoE power requirements
• Cable management

Racks for Firewalls

Enterprise firewalls can use built-in rack ears or model-specific rack-mount trays.

Smaller desktop security appliances can require dedicated mounting kits or shelves.

Rack depth, airflow, network cabling, and power should all be considered.

Racks for Storage Systems

Storage arrays can be heavy and deep, particularly enterprise disk and flash systems.

Storage-rack planning should consider:

• Equipment weight
• Rail support
• Chassis depth
• Power redundancy
• Network or Fibre Channel cabling
• Cooling

Racks for UPS Systems

Rackmount UPS systems can weigh substantially more than networking equipment of the same rack height because of their batteries.

UPS systems are commonly installed toward the lower portion of a rack to improve stability.

Exact placement should follow rack and UPS manufacturer requirements.

Racks for Security Systems

Security infrastructure can include PoE switches, recorders, storage arrays, access-control appliances, patch panels, and UPS systems.

A locking rack enclosure can centralize and protect this equipment while maintaining organized connectivity.

Racks for Branch Offices

Branch locations often require compact physical infrastructure for network switching, firewall equipment, wireless connectivity, UPS power, and structured cabling.

Wall-mount or small floor-standing enclosures can be appropriate depending on equipment depth and quantity.

Racks for Retail Locations

Retail technology environments can include point-of-sale networking, security systems, internet gateways, switches, firewalls, and communications equipment.

Locking wall cabinets or compact racks can help protect equipment where dedicated server rooms are unavailable.

Racks for Education

Schools and campuses can use network racks for structured cabling, access switches, wireless infrastructure, security systems, and local computing equipment.

Locking enclosures can help protect equipment installed in classrooms or shared facilities.

Racks for Healthcare

Healthcare IT can require racks for network infrastructure, servers, security systems, communications, and edge computing.

Physical security, serviceability, environmental requirements, and power protection should be considered carefully.

Racks for Industrial Environments

Industrial networks can place switches, firewalls, servers, wireless systems, and control equipment in environments exposed to dust, moisture, vibration, or temperature variation.

Industrial enclosures should be selected according to the actual environmental conditions and equipment requirements.

Rack Casters

Casters allow compatible rack enclosures to be moved for installation or maintenance.

Dynamic weight ratings should be observed whenever a loaded rack is moved.

Racks should be stabilized after placement according to manufacturer instructions.

Rack Leveling Feet

Leveling feet provide stable contact with the floor after a rack has been moved into position.

They can help prevent unwanted rack movement and compensate for small floor variations.

Rack Grounding

Rack and enclosure systems can require grounding or bonding according to equipment, facility, and electrical requirements.

Grounding hardware can help create appropriate electrical continuity between rack components and facility grounding systems.

Always follow manufacturer and applicable electrical requirements.

Equipment Placement in a Server Rack

Equipment placement should consider weight, service access, airflow, cabling, and logical organization.

Common practices include:

• Install heavy equipment lower in the rack
• Keep patch panels near related switches
• Maintain front-to-back airflow
• Leave adequate service clearance
• Keep power and network cabling organized
• Use blanking panels where appropriate

Where Should a UPS Go in a Server Rack?

Rackmount UPS systems are commonly installed toward the lower part of a rack because of their weight.

External battery packs are also commonly positioned low in the rack.

Always follow equipment and rack installation requirements.

Where Should Network Switches Go?

Switch placement depends on the network design.

Options can include:

• Near patch panels
• At the top of server racks
• Inside dedicated network racks

Placement should support manageable cable lengths and proper airflow.

Top-of-Rack Switching

Top-of-rack network design places access or leaf switches inside individual server racks.

Servers connect locally to these switches using relatively short cables.

This can reduce the amount of copper cabling running between server racks and centralized network racks.

End-of-Row Networking

End-of-row designs centralize switching for multiple server racks at one end of a row.

This can simplify switch consolidation but can require larger quantities of structured cabling between racks.

Rack Capacity Planning

Rack capacity should be evaluated across several dimensions.

A rack can be limited by:

• Rack units
• Physical depth
• Weight
• Power
• Cooling
• Cable capacity
• Network connectivity

An enclosure can therefore have empty rack units while still being at its practical infrastructure limit.

Planning Rack Space for Growth

Organizations should avoid filling every available rack unit during initial deployment when expansion is expected.

Future infrastructure can require additional space for:

• Servers
• Storage
• Switches
• Patch panels
• Power distribution
• KVM systems
• Cable management

How to Choose a Server Rack

Start with the equipment that will be installed inside the rack.

Calculate Required Rack Units

Add the U height of all current equipment and include room for future expansion.

Measure Equipment Depth

Identify the deepest server, UPS, storage system, or other device.

Check Rail Requirements

Verify the rack supports the mounting rails used by servers, UPS systems, storage, and other equipment.

Calculate Equipment Weight

Add the weight of installed equipment and compare it with the rack's supported capacity.

Choose Rack Width

Standard-width racks work for many environments, while extra-wide cabinets can provide additional cable and PDU space.

Choose Rack Depth

Deep and extra-deep racks can provide greater clearance for modern servers and rear cabling.

Evaluate Airflow

Make sure doors, panels, and equipment orientation support the required cooling design.

Plan Power Distribution

Determine where UPS systems, PDUs, and redundant power paths will be located.

Plan Cable Management

Allow adequate space for copper, fiber, power, and management cabling.

Consider Physical Security

Use locking enclosures where equipment access should be restricted.

Consider Environmental Requirements

Industrial and exposed environments can require specialized rated enclosures.

Server Rack Selection Checklist

Before purchasing a rack or enclosure, verify:

• Rack-unit capacity
• Equipment depth
• Required rack depth
• Standard or extra-wide design
• Static weight capacity
• Dynamic weight capacity
• 2-post or 4-post mounting
• Floor or wall mounting
• Rail compatibility
• Door type
• Side panels
• Airflow
• PDU mounting
• UPS placement
• Cable-management space
• Grounding requirements
• Physical security
• Environmental protection
• Future expansion

Eaton SmartRack Enclosures

Eaton SmartRack provides rack and enclosure solutions for networking, servers, enterprise IT, edge computing, and data center environments.

Current Hummingbird Networks inventory includes Eaton SmartRack products such as:

• 42U server racks
• 45U server racks
• 48U server racks
• Standard-depth cabinets
• Deep cabinets
• Extra-deep cabinets
• Extra-wide cabinets
• Heavy-duty server racks
• AI server enclosures
• Industrial enclosures

Current SmartRack listings demonstrate that the line is designed to support servers, networking, PDUs, patch panels, and other high-density IT equipment.

Eaton SmartRack AI Server Racks

Current Hummingbird Networks inventory includes Eaton SmartRack heavy-duty enclosures specifically positioned for AI server and high-density IT deployments.

Available current models include 45U and 48U configurations, deep and extra-deep cabinets, and extra-wide options.

APC NetShelter Racks

APC NetShelter rack infrastructure is designed for server rooms, network environments, and enterprise data centers.

NetShelter infrastructure can integrate:

• Server mounting
• Networking equipment
• Cable management
• Rack power distribution
• KVM systems
• Rack accessories

Hummingbird Networks carries APC NetShelter infrastructure across multiple related rack and infrastructure categories.

Rack & Enclosure Accessories

Racks can require model-specific accessories for mounting, airflow, security, mobility, and equipment support.

Examples include:

• Blanking panels
• Rack shelves
• Rail kits
• Mounting brackets
• Equipment trays
• Casters
• Leveling hardware
• Grounding accessories

Explore Rack & Enclosure Accessories for these products rather than using this category for accessory-specific shopping intent.

Building a Complete Rack Environment

A complete rack deployment can include:

• Rack or enclosure
• Servers
• Network switches
• Storage systems
• Firewalls
• UPS systems
• Rack PDUs
• Patch panels
• KVM access
• Horizontal cable management
• Vertical cable management
• Cooling
• Environmental monitoring

Planning the rack as a complete physical system can reduce compatibility problems and simplify long-term maintenance.

Why Buy Racks & Enclosures from Hummingbird Networks?

Choosing a rack requires more than identifying the correct number of rack units. Equipment depth, weight, rails, airflow, cable density, power distribution, security, cooling, and future growth all influence the correct enclosure.

Hummingbird Networks offers racks and enclosures for network closets, server rooms, branch offices, industrial environments, edge infrastructure, high-density computing, and enterprise data centers.

Customers can turn to our team for:

• Server racks
• Network racks
• Rack enclosures
• Wall-mount cabinets
• Open-frame racks
• 2-post racks
• 4-post racks
• 42U racks
• 45U racks
• 48U racks
• Deep server racks
• Extra-deep server racks
• Extra-wide racks
• Heavy-duty server cabinets
• AI server racks
• Industrial enclosures
• Eaton SmartRack solutions
• APC NetShelter infrastructure
• Product and compatibility guidance

Whether you are mounting a few network devices in a branch office, building a new server room, replacing an existing data center rack, or deploying high-density AI infrastructure, Hummingbird Networks can help identify rack and enclosure solutions based on equipment dimensions, weight, airflow, power, cabling, security, and growth requirements.

Frequently Asked Questions About Racks & Enclosures

What is a server rack?

A server rack is a standardized mounting structure used to install servers and related IT equipment such as switches, storage, UPS systems, and rack PDUs.

What is a network rack?

A network rack is commonly used to install switches, routers, firewalls, patch panels, fiber equipment, and structured-cabling infrastructure.

What is a rack enclosure?

A rack enclosure is a cabinet-style rack with doors and panels surrounding the installed equipment.

What is the difference between an open rack and enclosed rack?

An open rack provides greater access and passive airflow. An enclosed rack provides additional physical protection and security.

What is a 19-inch rack?

A 19-inch rack is the standard equipment-mounting format used by most enterprise servers, network switches, patch panels, UPS systems, and related rack hardware.

What does U mean in a server rack?

U stands for rack unit. One rack unit equals approximately 1.75 inches of vertical mounting space.

What is a 42U rack?

A 42U rack provides 42 standard units of vertical equipment space and is a common full-height rack size.

What is a 45U rack?

A 45U rack provides 45 units of equipment space and offers additional vertical capacity compared with a conventional 42U rack.

What is a 48U rack?

A 48U rack provides 48 rack units of mounting space and can support high-density infrastructure when facility height permits.

How many rack units do I need?

Add the U height of all planned equipment and include room for patch panels, KVM equipment, cable management, blanking panels, and future growth.

What is the difference between a 2-post and 4-post rack?

A 2-post rack supports equipment from two vertical rails and is common for networking. A 4-post rack provides front and rear support and is generally better suited to deep or heavy equipment.

Can a server be mounted in a 2-post rack?

Some servers support approved 2-post mounting kits, but many enterprise servers require 4-post rails. Check the server manufacturer's mounting requirements.

How deep should a server rack be?

The rack should provide enough usable depth for the deepest chassis, rails, rear connectors, power cords, network cables, and service clearance.

What is an extra-deep rack?

An extra-deep rack provides additional front-to-rear clearance for long servers, storage systems, power infrastructure, and cabling.

What is an extra-wide rack?

An extra-wide rack provides additional side space for vertical cable management, high-density fiber, and rack power distribution.

Why would I need a heavy-duty rack?

Heavy-duty racks are designed for environments with substantial equipment weight such as dense servers, storage, GPU systems, UPS equipment, and AI infrastructure.

What is an AI server rack?

An AI server rack is an enclosure designed to support the weight, depth, power, cooling, networking, and cabling requirements of high-density accelerated-computing systems.

Can I put a server in a wall-mount rack?

Only when the server dimensions, weight, mounting method, and wall enclosure ratings support the installation. Most full-depth enterprise servers require floor-standing racks.

What is a NEMA-rated enclosure?

A NEMA-rated enclosure provides a defined level of environmental protection against conditions such as dust or water exposure according to its specific rating.

What is a NEMA 4 enclosure?

A NEMA 4 enclosure is designed for defined indoor or outdoor conditions requiring protection against hazards including windblown dust and water exposure.

Do server racks need doors?

No. Open-frame racks are appropriate in many controlled environments. Doors can add physical security and protection where required.

Do rack doors affect cooling?

Yes. Door perforation and airflow resistance can affect equipment cooling. Server racks commonly use highly perforated doors for front-to-back airflow.

What is a split rear rack door?

A split rear door uses two narrower sections, reducing the aisle clearance required to open the rear of the rack.

How much weight can a server rack hold?

Capacity varies significantly by rack model. Verify the manufacturer's static and dynamic weight ratings before installation.

What is static rack weight capacity?

Static capacity is the supported equipment weight while the rack remains stationary.

What is dynamic rack weight capacity?

Dynamic capacity describes the amount of supported equipment weight while the rack is being moved according to manufacturer requirements.

Where should heavy equipment go in a rack?

Heavy equipment is generally installed lower in the rack to improve stability, subject to rack and equipment manufacturer guidance.

Where should a UPS go in a rack?

UPS systems and expansion batteries are commonly positioned lower in the rack because of their weight.

Can rack cabling cause overheating?

Yes. Poorly routed cable bundles can obstruct server and switch air intakes or exhaust paths.

What are rack blanking panels used for?

Blanking panels cover unused rack spaces and can help reduce hot-air recirculation in properly designed front-to-back airflow environments.

What is a wall-mount network cabinet?

A wall-mount network cabinet is a compact enclosure attached to a wall for switches, patch panels, routers, firewalls, and other compatible equipment.

What rack should I use for network switches?

Choose according to switch depth, quantity, patch-panel requirements, cable management, airflow, power, and future expansion.

What rack should I use for servers?

Most enterprise servers require a 4-post rack with sufficient depth, rail compatibility, weight capacity, airflow, power distribution, and service clearance.

What rack should I use for a data center?

Data center racks should be selected according to equipment height, depth, weight, power density, cooling architecture, cabling, and facility layout.

Does Hummingbird Networks carry Eaton SmartRack enclosures?

Yes. Hummingbird Networks carries Eaton SmartRack server racks, heavy-duty cabinets, AI server enclosures, deep and extra-wide racks, and industrial enclosure solutions.

Does Hummingbird Networks carry APC NetShelter rack infrastructure?

Yes. Hummingbird Networks carries APC NetShelter infrastructure and related rack, cable-management, power, KVM, and accessory products.

Can Hummingbird Networks help me choose a server rack?

Yes. Providing equipment types, rack-unit requirements, chassis depth, weight, rail requirements, power, airflow, cabling, and available room dimensions can help identify appropriate rack options.

Shop Racks & Enclosures

Build organized and scalable physical infrastructure with server racks, network racks, wall-mount cabinets, heavy-duty server enclosures, industrial racks, and high-density IT cabinets.

From Eaton SmartRack server and AI enclosures to APC NetShelter rack infrastructure and compatible network cabinets, Hummingbird Networks can help organizations select racks based on equipment size, depth, weight, mounting, airflow, power, cabling, security, environment, and future growth.