Description
Unlock unprecedented storage capacity and performance with the Western Digital Ultrastar DC SN655 61.44TB NVMe SSD. Engineered for modern server and data center environments, this enterprise-class drive delivers read-intensive performance with 1 DWPD endurance, 890K IOPS random read speed, and PCIe Gen4 NVMe 1.4b support. Built with Western Digital’s BiCS5 TLC 3D NAND and dual-port failover capability, the SN655 is optimized for cloud-scale workloads, AI/ML datasets, and real-time analytics. Its U.3 15mm form factor integrates seamlessly into standard infrastructures while ensuring high availability, low latency, and maximum efficiency at scale.
| Specification | Details |
|---|---|
| Brand | Western Digital |
| Series | Ultrastar DC SN655 |
| Model Number | WUS5EC0C1ESP7Y1 |
| Part Number | 0TS2508 |
| Form Factor | U.3 15 mm |
| Interface | PCI Express NVMe 4.0 |
| Capacity | 61.44 TB |
| Read/Write Endurance | 1 DWPD (Drive Writes Per Day) |
| Performance | 890,000 IOPS Read / 29,000 IOPS Write |
| Sequential Read | Up to 4.20 GB/s |
| Sequential Write | Up to 3.08 GB/s |
| MTBF | 2.5 million hours (projected) |
| NAND Flash Type | Western Digital BiCS5 TLC 3D NAND |
| Controller | WD NVMe 1.4b Controller |
| Power Loss Protection | Yes |
| Operating System Support | Windows, Windows Server, Linux |
| Device Supported | Servers, Data Centers |
| Dimensions (HxWxD) | 0.6" x 2.8" x 4" |
| Weight | 5.20 oz |
| Warranty | 5-Year Limited Warranty |
| Condition | New and Factory Fresh |
| Shipping Weight | 1 lb |
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