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Western Digital Ultrastar DC SN861 6.4 TB U.2 PCI Express 5.0 NVMe - Image 1
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Western Digital Ultrastar DC SN861 6.4 TB U.2 PCI Express 5.0 NVMe

Western Digital

Compare today's prices on the "Western Digital Ultrastar DC SN861 6.4 TB U.2 PCI Express 5.0 NVMe".

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Last Updated: 06/11/2026
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Product Description

Compare today's prices on the "Western Digital Ultrastar DC SN861 6.4 TB U.2 PCI Express 5.0 NVMe".

Western Digital Ultrastar DC SN861 6.4 TB U.2 PCI Express 5.0 NVMe

Redefining the limits of high-performance storage, this drive is engineered to keep pace with the most demanding mission-critical workloads in modern data centres. By harnessing the raw speed of PCI Express 5.0, the Ultrastar DC SN861 delivers exceptional throughput and ultra-low latency, ensuring your enterprise applications, AI modelling, and real-time analytics run without bottlenecks. With a capacious 6.4 TB in the compact U.2 form factor, it offers an ideal blend of density and performance for hyperscale and enterprise environments where every millisecond counts.

- Built on PCI Express 5.0 technology for sequential read speeds up to 13,000 MB/s and write speeds up to 5,400 MB/s

- High 1.3 million random read IOPS and 180,000 random write IOPS for intensive transactional workloads

- 6.4 TB capacity to store large datasets, virtualised environments, and high-speed cache tiers

- U.2 (2.5-inch) interface compatible with existing enterprise server and storage infrastructure

- Advanced NVMe protocol reduces latency and improves power efficiency over previous generations

- Enhanced endurance and reliability backed by Western Digital’s rigorous validation for 24/7 operation

This drive empowers your infrastructure to handle tomorrow’s data challenges with uncompromising speed and reliability.

GTIN: 0619659211271

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