Transceiver Modules

Build reliable fiber and Ethernet connections with network transceiver modules for business, enterprise, campus, data center, and service provider networks. Hummingbird Networks offers optical and copper transceivers for compatible switches, routers, servers, storage systems, firewalls, and other networking equipment.

Shop SFP, SFP+, SFP28, QSFP+, QSFP28, and other transceiver form factors for network connections ranging from Gigabit Ethernet to high-speed 10G, 25G, 40G, and 100G infrastructure.

Choosing the correct transceiver requires more than matching network speed. Device compatibility, port type, fiber type, wavelength, connector, transmission distance, and the transceiver specification must all match the intended network connection.

Shop Network Transceiver Modules

Network transceivers are compact, removable modules that provide physical network interfaces for compatible networking and computing equipment. They allow organizations to select the connection type required for a particular port without replacing the underlying switch, router, server, or other network device.

Depending on the module, a transceiver can support fiber optic or copper connectivity across different speeds, wavelengths, cable types, and transmission distances.

Transceivers are commonly used for:

• Switch uplinks
• Switch-to-switch connections
• Network backbones
• Server connectivity
• Storage networking
• Router interfaces
• Firewall connections
• Building-to-building links
• Campus networks
• Data center networks
• Aggregation and core networking
• Service provider infrastructure

Transceiver Module Form Factors

Transceiver form factor describes the physical module and interface used by compatible network equipment. A port designed for one form factor cannot automatically accept another, even when the desired network speed is similar.

Always verify the port specification of the switch, router, server, or other device before selecting a module.

SFP Transceiver Modules

Small Form-factor Pluggable, commonly abbreviated SFP, is a widely used modular network interface. SFP modules are commonly associated with Gigabit Ethernet and other networking applications.

Depending on the module, SFP connectivity can use multimode fiber, single-mode fiber, or copper cabling.

Common Gigabit Ethernet optical standards include 1000BASE-SX and 1000BASE-LX, while compatible copper SFP modules can provide RJ45 Ethernet connectivity for supported equipment.

SFP+ Transceiver Modules

SFP+ is commonly used for 10 Gigabit Ethernet connectivity in business, enterprise, campus, and data center networks.

10G SFP+ modules are frequently used for switch uplinks, server connections, network backbones, storage networks, aggregation, and connections between network closets.

Common optical specifications include 10GBASE-SR for shorter multimode fiber connections and 10GBASE-LR for longer single-mode fiber links. Additional specifications are available for other transmission distances and network requirements.

SFP28 Transceiver Modules

SFP28 modules are commonly associated with 25 Gigabit Ethernet connectivity. The compact form factor makes 25GbE useful for higher-bandwidth server, storage, aggregation, and data center applications where organizations need greater capacity than 10GbE.

Compatibility should be verified carefully because physical port appearance alone does not establish whether a particular device supports 25GbE operation.

QSFP+ Transceiver Modules

Quad Small Form-factor Pluggable Plus, commonly called QSFP+, is widely used for 40 Gigabit Ethernet connections.

40G QSFP+ modules can support high-bandwidth switch uplinks, aggregation, core networking, data center interconnects, and other applications requiring greater capacity than traditional 1G or 10G links.

Different QSFP+ modules support different fiber types, connectors, wavelengths, and transmission distances.

QSFP28 Transceiver Modules

QSFP28 is commonly used for 100 Gigabit Ethernet connectivity in high-performance enterprise, data center, aggregation, core, and service provider environments.

100G transceivers are available for different optical standards and transmission requirements, including short-range multimode and longer-distance single-mode fiber applications.

Transceiver Speeds

Network speed is one of the first specifications to determine when selecting a transceiver. The transceiver, network port, and equipment at both ends of the link must support the intended connection.

1G Transceivers

1 Gigabit transceivers remain widely used for switch uplinks, access networks, management networks, branch environments, and other applications where Gigabit Ethernet provides sufficient bandwidth.

SFP modules can provide flexible fiber or copper connectivity while allowing organizations to select an interface based on distance and cabling requirements.

10G Transceivers

10 Gigabit Ethernet is common across enterprise networks and data centers. SFP+ transceivers can provide 10GbE connectivity for switches, servers, storage, routers, and other compatible equipment.

10G connections are frequently used for switch uplinks, network aggregation, server connections, storage traffic, and backbone infrastructure.

25G Transceivers

25 Gigabit Ethernet provides additional bandwidth while retaining the compact SFP-style form factor through SFP28 technology.

25GbE can be useful for server access, storage, high-performance computing, data center leaf switching, and other applications that require more capacity than 10GbE.

40G Transceivers

40 Gigabit Ethernet is commonly delivered through QSFP+ interfaces and can support aggregation, core, backbone, and data center connectivity.

Organizations upgrading from 10G infrastructure may encounter 40G interfaces on enterprise and data center switches designed for higher-capacity uplinks.

100G Transceivers

100 Gigabit Ethernet provides high-capacity connectivity for modern data centers, enterprise cores, aggregation networks, service provider infrastructure, and other bandwidth-intensive environments.

QSFP28 is a common 100GbE form factor, with multiple optical standards available for different fiber types and transmission distances.

Fiber Optic Transceivers

Fiber optic transceivers convert electrical network signals into optical signals for transmission across fiber optic cabling and convert received optical signals back into electrical signals.

Fiber can be advantageous when networks require longer distances, higher bandwidth, electrical isolation, building-to-building connectivity, or backbone connections beyond the practical limitations of conventional copper Ethernet.

The correct optical transceiver depends on the fiber type, wavelength, connector, distance, speed, and equipment compatibility.

Multimode vs. Single-Mode Fiber Transceivers

One of the most important distinctions when selecting an optical transceiver is whether the connection uses multimode fiber or single-mode fiber.

Multimode Fiber Transceivers

Multimode fiber is commonly used for shorter-distance network connections within buildings, network closets, server rooms, and data centers.

Short-range optical standards such as 1000BASE-SX, 10GBASE-SR, 40GBASE-SR4, and 100GBASE-SR4 are examples of technologies that can use compatible multimode fiber.

The maximum supported distance depends on the optical standard and the type and quality of multimode fiber installed.

Single-Mode Fiber Transceivers

Single-mode fiber is commonly used when networks need longer transmission distances. It can support connections across campuses, between buildings, through metropolitan networks, and across other long-distance fiber infrastructure.

Standards such as 1000BASE-LX, 10GBASE-LR, 40GBASE-LR4, and 100GBASE-LR4 are examples of optical technologies that may use compatible single-mode fiber.

Longer-range modules are also available for applications that extend beyond standard LR distances.

SR, LR, LRM & ER Transceivers

Transceiver model names frequently include abbreviations that describe the optical application or transmission characteristics. Understanding these terms can make it easier to identify the appropriate module.

SR Transceivers

SR generally refers to short-range optical connectivity and is commonly associated with multimode fiber.

10GBASE-SR SFP+ modules, for example, are widely used for shorter 10 Gigabit Ethernet connections in server rooms, data centers, and enterprise networks.

LR Transceivers

LR generally refers to long-range optical connectivity and is commonly associated with single-mode fiber.

LR modules can be useful for campus backbones, connections between buildings, longer data center links, and other applications where multimode fiber distance is insufficient.

LRM Transceivers

LRM modules are designed for specific extended-reach applications and can be encountered in 10 Gigabit Ethernet environments. Cabling compatibility and supported distance should be verified against both the module specification and installed fiber.

ER Transceivers

ER generally refers to extended-reach optical connectivity. These modules are designed for longer-distance links than typical short-range or long-range optics.

Because optical power and distance requirements vary, verify the complete link specification before deploying extended-reach transceivers.

Fiber Wavelengths

Optical transceivers operate using specific wavelengths of light. Common specifications can include 850 nm, 1310 nm, 1550 nm, and other wavelengths depending on the optical technology.

Wavelength is not an interchangeable specification. The modules at each end of a conventional optical connection must be compatible with one another and with the installed fiber infrastructure.

850 nm Transceivers

850 nm optics are commonly associated with short-range multimode fiber connections. They are frequently encountered in SR transceivers used within buildings and data centers.

1310 nm Transceivers

1310 nm optics are commonly used for various single-mode fiber applications and longer network links. Exact distance and compatibility depend on the Ethernet standard and transceiver specification.

1550 nm Transceivers

1550 nm optics can be used for extended-distance single-mode fiber applications. For example, certain 10GBASE-ER modules use 1550 nm optics for long-distance 10 Gigabit Ethernet links.

Copper SFP Transceivers

Not every pluggable transceiver uses fiber. Compatible copper SFP modules can provide RJ45 Ethernet connectivity through an SFP port.

Copper modules can be useful when a network device has an available modular interface but the required connection uses twisted-pair Ethernet cabling.

Before using a copper SFP, verify that the networking equipment specifically supports the module, desired Ethernet speed, cable type, and required distance.

LC & MPO/MTP Fiber Connections

The transceiver connector must match the fiber cabling used for the network link.

LC Fiber Transceivers

Duplex LC connectors are common on SFP and SFP+ optical modules and are also used by various higher-speed transceivers.

A typical duplex optical connection uses separate fibers for transmitting and receiving data.

MPO/MTP Transceivers

Parallel optical technologies can use multi-fiber MPO or MTP connectivity. These interfaces are frequently encountered with higher-speed SR4 technologies such as certain 40G and 100G transceivers.

Polarity, fiber count, connector type, fiber specification, and breakout architecture should all be considered when planning MPO/MTP connections.

How to Choose the Right Transceiver Module

Transceivers that look physically similar can have very different specifications. Selecting the correct module requires matching several characteristics of the network connection.

Before purchasing a transceiver, identify the following:

• Network device manufacturer and model
• Port type
• Required network speed
• Transceiver form factor
• Fiber or copper cabling
• Single-mode or multimode fiber
• Required transmission distance
• Optical wavelength
• Connector type
• Required Ethernet standard
• Compatibility requirements

Check the Network Device

Start with the exact manufacturer and model of the switch, router, server, firewall, or other device receiving the transceiver.

The device documentation can identify supported interface types, speeds, and transceiver specifications.

Check the Port Type

Determine whether the equipment uses SFP, SFP+, SFP28, QSFP+, QSFP28, or another modular interface.

Do not assume that modules are interchangeable simply because the physical dimensions appear similar.

Determine the Required Speed

Both ends of the network connection must support the intended data rate. A 10GbE connection, for example, requires compatible equipment and interfaces at both ends of the link.

Determine Fiber Type

Identify whether the installed cabling is multimode or single-mode fiber. The transceiver must be designed for the appropriate fiber type.

Measure the Link Distance

Select an optical standard designed for the required transmission distance. A short connection inside a rack has very different requirements from a fiber link connecting buildings several kilometers apart.

Verify the Connector

Confirm that the transceiver interface matches the fiber cabling and patching infrastructure. Common examples include duplex LC and MPO/MTP connections.

Verify Compatibility

Transceiver compatibility is particularly important because network equipment can have manufacturer-specific requirements for supported modules, coding, firmware, diagnostics, and operation.

Verify compatibility with the exact equipment model rather than selecting a module based only on speed and physical form factor.

OEM & Compatible Transceiver Modules

Organizations may encounter both original equipment manufacturer transceivers and compatible replacement transceivers when building or maintaining network infrastructure.

OEM transceivers are supplied under the networking equipment manufacturer's brand. Compatible transceivers are designed to operate with specified networking platforms as alternatives for supported applications.

The appropriate choice depends on compatibility requirements, organizational standards, support policies, equipment lifecycle, technical requirements, and budget.

Regardless of which approach is selected, verify the exact part number, host equipment, interface, optical specification, and network requirements before deployment.

Hummingbird Networks Compatible Transceivers

Hummingbird Networks offers a broad selection of compatible transceiver modules designed for use with specified networking platforms.

Available Hummingbird Networks compatible transceiver families include options for networking equipment from manufacturers such as:

• ADTRAN
• Aruba
• Cisco
• Fortinet
• HPE
• NETGEAR
• Other supported networking platforms

Compatible options span multiple network speeds, fiber types, wavelengths, transmission distances, and transceiver form factors.

Cisco Transceiver Modules

Cisco networking platforms use pluggable transceivers across switching, routing, data center, and other network infrastructure.

Cisco transceiver requirements vary by product family and interface. Depending on the platform, organizations may require SFP, SFP+, SFP28, QSFP+, QSFP28, or other module types for network uplinks and high-speed connectivity.

Always verify the supported module and part number for the exact Cisco device and software environment.

Meraki Transceiver Modules

Cisco Meraki switches and other compatible networking products can use pluggable transceivers for fiber and high-speed uplink connectivity.

Meraki transceiver options can support applications such as switch uplinks, fiber backbones, network aggregation, and connections between wiring closets.

Verify compatibility with the specific Meraki model, interface speed, fiber type, and required transmission distance.

Aruba & HPE Transceiver Modules

HPE Aruba Networking switches use transceiver modules across access, aggregation, campus, and enterprise networking environments.

Available interfaces vary by switch family and can include Gigabit Ethernet, 10GbE, 25GbE, 40GbE, 100GbE, and other network speeds.

When selecting an Aruba or HPE transceiver, verify the exact switch model, supported module specification, fiber type, wavelength, connector, and required distance.

Fortinet Transceiver Modules

Compatible Fortinet networking and security equipment can use pluggable transceiver modules for fiber and Ethernet connectivity.

Transceivers may be used with compatible FortiSwitch, FortiGate, and other Fortinet platforms depending on the model and interface.

Because interface capabilities vary across product families, confirm the supported module specification before purchasing.

NETGEAR Transceiver Modules

Compatible NETGEAR business and managed switches can use SFP and other modular interfaces for fiber uplinks and network connectivity.

Module requirements depend on the switch, port type, network speed, fiber infrastructure, and required transmission distance.

ADTRAN Transceiver Modules

ADTRAN networking platforms can use optical and copper transceiver modules for supported Ethernet interfaces.

Available compatible modules can include Gigabit and higher-speed options for multimode fiber, single-mode fiber, and copper network connections depending on the equipment.

Transceivers for Network Switches

Network switches are one of the most common applications for pluggable transceiver modules.

Switch transceivers can provide:

• Fiber uplinks between access and aggregation switches
• Connections between network closets
• Building-to-building links
• Connections to routers and firewalls
• Server and storage connectivity
• High-speed aggregation links
• Core network connectivity

When selecting a switch transceiver, verify both the switch interface and the device connected at the opposite end of the link.

Transceivers for Data Centers

Data centers can require large numbers of high-speed optical connections between switches, servers, storage systems, and other infrastructure.

10G, 25G, 40G, and 100G interfaces are commonly encountered in modern data center environments, with the appropriate speed depending on architecture, equipment, workload, and bandwidth requirements.

Transceiver selection can also affect cabling architecture, rack design, patching, power consumption, migration planning, and future network upgrades.

Transceivers for Campus & Building-to-Building Networks

Fiber transceivers are frequently used to connect network infrastructure across larger buildings and campuses.

Fiber can extend network connectivity beyond traditional copper Ethernet distances and can be useful for backbone connections between telecommunications rooms, buildings, aggregation switches, and core infrastructure.

The required optical module depends on the installed fiber, link length, network speed, and equipment at each end.

Transceivers for Servers & Storage

Servers and storage infrastructure can use pluggable optical interfaces for high-speed connections to data center and enterprise networks.

When selecting modules for computing infrastructure, verify compatibility with the network adapter or interface card as well as the switch on the opposite side of the connection.

Both ends must support compatible speed, signaling, cabling, and optical specifications.

Transceivers vs. Direct Attach Cables

Short high-speed connections can sometimes be built using either separate transceiver modules and fiber cabling or a direct attach cable, commonly called a DAC.

DAC assemblies integrate the connectors and cable into a single solution and are frequently used for short connections within racks or between nearby equipment.

Separate optical transceivers and fiber cabling provide greater flexibility for longer distances and structured fiber infrastructure.

The appropriate choice depends on distance, equipment compatibility, cable management, network architecture, power requirements, and future flexibility.

Transceivers vs. Active Optical Cables

Active optical cables, commonly called AOCs, provide another option for high-speed equipment connections. An AOC integrates optical components with a fixed fiber cable assembly.

AOCs can be useful for certain short and intermediate data center connections where organizations want optical connectivity without separately selecting transceivers and fiber patch cables.

Separate transceiver modules may provide greater flexibility when cabling needs to be replaced independently or when structured fiber infrastructure is already installed.

Build a Complete Fiber Network

Transceiver modules are only one component of an optical network connection. A complete deployment may also require:

• Compatible switches, routers, servers, or security appliances
• Fiber optic cables
• Fiber patch cables
• Direct attach cables
• Active optical cables
• Patch panels and fiber infrastructure
• Network racks and cable management
• Appropriate network interface cards

Explore our cables and connectivity options when completing the physical connection between compatible network devices.

Why Buy Transceiver Modules from Hummingbird Networks?

Selecting the correct transceiver can be challenging because modules with similar appearances can differ in speed, wavelength, distance, fiber type, connector, coding, and equipment compatibility.

Hummingbird Networks provides optical and copper connectivity options for business, enterprise, campus, data center, and other networking environments.

Customers can turn to our team for:

• SFP, SFP+, SFP28, QSFP+, and QSFP28 transceiver options
• Fiber and copper network connectivity
• Multimode and single-mode optical modules
• Short-range and long-range fiber connectivity
• OEM and compatible transceiver options
• Modules for leading networking platforms
• Compatibility and product selection assistance
• Solutions for network upgrades and infrastructure refreshes

Whether you need a single replacement module, new switch uplinks, a fiber backbone, or large quantities of transceivers for a network deployment, Hummingbird Networks can help you identify modules based on your equipment and connectivity requirements.

Frequently Asked Questions About Transceiver Modules

What is a network transceiver module?

A network transceiver is a removable module that provides a physical network interface for compatible equipment. Depending on the module, it can support optical fiber or copper connections across different network speeds, wavelengths, connectors, and transmission distances.

What does SFP mean?

SFP stands for Small Form-factor Pluggable. It is a compact, removable transceiver form factor commonly used to provide modular Ethernet and fiber connectivity in switches, routers, servers, and other networking equipment.

What is the difference between SFP and SFP+?

SFP is commonly associated with Gigabit Ethernet, while SFP+ is commonly used for 10 Gigabit Ethernet. Compatibility depends on the network device and port, so an SFP or SFP+ module should only be used where supported by the equipment.

What is SFP28?

SFP28 is a compact transceiver form factor commonly used for 25 Gigabit Ethernet. It is frequently found in data center switches, servers, storage infrastructure, and other high-bandwidth networking environments.

What is the difference between QSFP+ and QSFP28?

QSFP+ is commonly associated with 40 Gigabit Ethernet, while QSFP28 is commonly used for 100 Gigabit Ethernet. Different modules within each form factor support different optical standards, fiber types, connectors, and transmission distances.

What is the difference between SFP SR and LR?

SR generally describes short-range optical connectivity and is commonly associated with multimode fiber. LR generally describes longer-range optical connectivity and is commonly associated with single-mode fiber. Exact distances depend on the Ethernet standard, module, and installed fiber.

What is the difference between single-mode and multimode transceivers?

Multimode transceivers are commonly used for shorter optical connections within buildings and data centers. Single-mode transceivers can support substantially longer distances and are often used for campus, building-to-building, and long-distance fiber links.

Can I use a single-mode transceiver with multimode fiber?

Transceivers should be matched to the fiber type and optical specification for which they were designed. Do not assume a single-mode module and multimode cable are interchangeable simply because the connectors physically fit.

What is a copper SFP module?

A copper SFP provides an electrical Ethernet interface, typically using an RJ45 connection, through a compatible SFP port. Device support, network speed, cable category, and maximum distance should be verified before deployment.

How do I know which transceiver is compatible with my switch?

Identify the exact switch manufacturer and model, port type, supported network speed, required fiber or copper connection, distance, and connector. Then verify that the specific transceiver part number is supported or designed as a compatible replacement for that equipment.

Can I use third-party compatible transceivers?

Compatible transceivers are designed to operate with specified networking platforms, but support policies and compatibility requirements vary by manufacturer and device. Verify the module, equipment, software environment, and organizational support requirements before deployment.

What wavelength transceiver do I need?

The required wavelength depends on the optical standard, fiber type, distance, and modules used at each end of the connection. Common wavelengths include 850 nm, 1310 nm, and 1550 nm, but the exact specification should be determined from the required optical link.

Can different transceiver brands communicate with each other?

In many standards-based optical links, modules from different manufacturers can communicate when both ends use compatible Ethernet standards, wavelengths, fiber types, signaling, and other required specifications. Host-device compatibility must still be verified independently at each end.

Are SFP modules hot-swappable?

Many SFP-family transceivers are designed for hot-pluggable operation in equipment that supports it. Follow the networking equipment manufacturer's installation and service guidance before inserting or removing modules from operating equipment.

What is an LC transceiver?

An LC transceiver uses an LC fiber optic connector. Duplex LC connections are common across many SFP and SFP+ optical modules.

What is an MPO or MTP transceiver?

MPO and MTP connectivity uses multi-fiber connectors and is commonly encountered in parallel optical applications, including certain 40G and 100G SR4 links. Fiber count, polarity, connector configuration, and cabling architecture must match the transceiver specification.

Should I use transceivers or a DAC cable?

DAC cables are often useful for short high-speed connections within or between nearby racks. Optical transceivers and fiber can support longer distances and provide greater flexibility for structured fiber infrastructure. The right option depends on distance, equipment, architecture, and cabling requirements.

Can Hummingbird Networks help me identify the correct transceiver?

Yes. Providing the equipment manufacturer, model number, port type, required network speed, fiber type, connector, and approximate link distance can help identify an appropriate transceiver for the intended network connection.

Shop Transceiver Modules for Your Network

Connect switches, routers, servers, storage systems, firewalls, and other network equipment with transceiver modules designed for business, enterprise, campus, data center, and high-performance networking environments.

Whether you need Gigabit SFP modules, 10G SFP+ optics, 25G SFP28 transceivers, 40G QSFP+ modules, 100G QSFP28 optics, or compatible replacement transceivers, Hummingbird Networks can help you find connectivity options for your network infrastructure.