Western Digital Ultrastar DC SN861 15.36TB U.2 NVMe PCIe Gen5

The Western Digital Ultrastar DC SN861 is a high-capacity enterprise NVMe SSD delivering PCIe Gen5 performance for demanding data-intensive workloads. With 15.36TB of capacity in a compact U.2 form factor, this drive leverages Gen5 interface speeds to enable rapid data access and transfer rates suitable for scale-out infrastructure. The SN861 combines enterprise-grade reliability with advanced performance characteristics optimized for mission-critical applications requiring sustained throughput and low latency.

Architecturally, the drive employs enterprise-class NAND flash technology and sophisticated controller design to maintain consistent performance under continuous operation. The U.2 (2.5-inch) form factor integrates seamlessly into standard enterprise server and storage enclosures, simplifying deployment across heterogeneous IT environments.

The SN861 targets data centers and HPC clusters where capacity density and performance intersect, particularly in AI model training, large-scale analytics, and high-performance computing environments requiring rapid iteration cycles and massive dataset throughput.

Ideal for

• AI and machine learning training pipelines requiring high-capacity, low-latency data staging
• High-performance computing (HPC) cluster storage for scientific simulations and modeling
• Large-scale data analytics and ETL operations processing multi-terabyte datasets
• Enterprise backup and archival acceleration for time-critical recovery operations
• Database acceleration and caching for transactional and analytical workloads
• Media and creative rendering farms handling 4K/8K video processing and real-time compositing

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.