WD DC SN861 1.6TB U.2 PCIe Gen5 NVMe SSD

The Western Digital DC SN861 is an enterprise-class NVMe Solid State Drive designed specifically for performance-intensive applications such as AI processing, machine learning, and high-frequency data center operations. Utilizing the PCIe Gen5 x4 interface, this drive is capable of sequential reading up to 13,700 MB/s, facilitating rapid access and processing of large datasets. Its architecture is optimized for stringent Quality of Service (QoS) requirements essential in hyperscale environments where consistent bandwidth is mandatory.

This 1.6 TB SSD utilizes the U.2 form factor, allowing for straightforward integration into existing enterprise server infrastructure. Data integrity is managed through enhanced Power Loss Protection and End-to-End Data Path Protection features, safeguarding information during unexpected system failures. The SN861 is rated for heavy workloads, featuring a 3 DWPD (Drive Writes Per Day) endurance rating and a Mean Time Between Failures (MTBF) of 2.5 million hours for prolonged reliability.

Security functionality includes hardware encryption and support for TCG OPAL 2.01 security algorithms. Power consumption is controlled, with the drive drawing an average of 12W and a maximum of 20W under load, while maintaining minimal latency profiles critical for responsive enterprise storage environments.

• Capacity of 1600 GB (1.6 TB)
• Interface specification: PCIe Gen5 x4
• Form factor: U.2 enterprise standard
• Random read performance: Up to 2,100,000 IOPS
• Random write performance: Up to 350,000 IOPS
• Read latency: 65 µs
• Write latency: 8 µs
• Utilizes BICS6 NAND flash technology
• Dimensions: 15 mm x 69.85 mm x 100.45 mm