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WD Ultrastar DC SN640 WUS4BB076D7P3E4 - SSD - Encrypted - 7680 GB - Internal - 2.5" - U.2 PCIe 3.1 X4 (NVMe) - 256-bit AES - Self-Encrypting Drive (SED), TCG Ruby Encryption - 0TS1852

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Warranty Information
Limited Warranty - 5 years
Product Line:
WD Ultrastar DC SN640
Device Type:
Solid state drive
Hard Drive Capacity:
7680 GB
U.2 PCIe 3.1 x4 (NVMe)
Installation Type:
Internal hard drive
Form Factor:
NAND Flash:
3D triple-level cell (TLC)
24x7 Operation:

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  • Mainstream NVMe SSD for Data Center IT and Cloud Deployment
    The Ultrastar DC SN640 NVMe SSD is a mainstream NVMe SSD targeting broad deployment as boot, caching, or primary storage in data center IT and cloud environments. The DC SN640 is optimized to deliver the highest performance and consistent QoS read latency when running random mixed workloads typically generated by enterprise applications such as virtualization, OLTP, NoSQL, web servers, file servers, and mail servers. The DC SN640 NVMe SSD is ideal for replacing SATA SSDs by delivering 6x improvement in sequential read performance and 3x improvement random mixed read/write performance. The DC SN640 boosts data center performance and responsiveness as direct attached, distributed storage or in large scale cloud deployments. The DC SN640 includes Western Digital's 96-Layer BiCS4 3D TLC NAND and Western Digital's NVMe 1.3 controller and incorporates enterprise reliability features, such as power-loss protection, end-to-end data path protection, and a five-year limited warranty.
  • Designed for Workload Flexibility
    The Ultrastar DC SN640 is available in two endurance classes: 0.8 DW/D (capacities from 960GB-7.68TB) and 2 DW/D (capacities 800GB-6.4TB). The 0.8 DW/D SKU features tunable endurance, giving customers the flexibility to configure endurance and performance for seasonal burst workloads.

Ultrastar NVMe series SSDs perform at the speed of today's business needs. Enabling faster intelligence & access to critical data, these SSDs meet the growing digital demands of your business applications. Ultrastar DC SN640 offers low latency & higher bandwidth for a seamless transition away from SATA SSDs in mixed-use & read-intensive applications. This high throughput & low latency delivers high performance for deeper insights & faster results for today's data intensive applications.

Specs Overview

Detailed Specs

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