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Western Digital Ultrastar DC SN861 7.68 TB U.2 PCI Express 5.0 NVMe

Western Digital Ultrastar DC SN861, 7.68 TB, U.2, 13700 MB/s

Best offerPrice trend

£7,834.99

-38%
Price trend
Detailed analysis
Price history of Western Digital Ultrastar DC SN861 7.68 TB U.2 PCI Express 5.0 NVMe over the last 3 months
DatePrice
15 April 2026£12,594.99
24 April 2026£12,931.99
1 May 2026£12,643.99
12 May 2026£12,517.99
20 May 2026£12,692.99
28 May 2026£12,680.99
6 June 2026£12,758.99
16 June 2026£5,660.99
20 June 2026£12,890.99
25 June 2026£5,714.99
1 July 2026£7,937.99
7 July 2026£7,864.99
10 July 2026£7,834.99

Compare Western Digital Ultrastar DC SN861 7.68 TB U.2 PCI Express 5.0 NVMe prices UK

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Product Information

Redefining the limits for high-performance storage
Be ready for the future of mission critical workloads with the Western Digital Ultrastar DC SN861. The latest Western Digital SSD with a cutting-edge PCIe Gen5 enterprise-class speeds, the Ultrastar DC SN861 offers exceptional performance and multiple capacities up to 7.68TB1 options. With high random read speeds and low power consumption, the DC SN861 is optimized for compute-intensive AI and machine learning applications, ensuring superior read/write performance, extremely low latency, and maximize IOPs/Watt. The DC SN861 also provides a rich feature set including NVMe™ 2.02 and OCP 2.0 support, 1 & 3 DWPD2, and a 5-year limited warranty3, making it the ideal solution for hyperscale, cloud, and enterprise data centers.

Ready for the Demands of AI Workloads
Designed to handle compute-intensive AI and machine learning applications which require high bandwidths and low latencies.

Superior Performance and Capacity
Experience future-ready PCIe Gen5 read/write speeds with capacities up to 7.68TB1.

Designed for Power Efficiency
Architected to provide heightened performance per watt, optimizing power efficiency and reducing operational costs.

Outstanding Mixed Workload Performance
High-speed random reads provide enhanced solutions at low cost for your enterprise.

Optimized for Quality of Service (QoS)
Reduce latency during mission-critical workloads, delivering consistent Quality of Service (QoS) for your applications, even under heavy workloads.

Rich Enterprise Features
Benefit from enterprise-class features such as Power Loss Protection, End-to-End Data Path Protection, and TCG security and encryption, helping ensure data integrity and security

Future-Ready Data Infrastructure
Designed to support NVMe™ 2.02, and NVMe™ MI 1.2c, along with Flexible Data Placement (FDP)4 and OCP 2.0 supportive, for enhanced scalability and efficiency.

Internal Solid State Drives Western Digital

Product

Name
Western Digital Ultrastar DC SN861 7.68 TB U.2 PCI Express 5.0 NVMe

Weight & dimensions

Width
69.8 mm
Depth
100.4 mm
Height
15 mm

Operational conditions

Operating temperature (T-T)
0 - 70 °C
Storage temperature (T-T)
-40 - 85 °C

Power

Power consumption (idle)
-5 W

Other features

Warranty period
5 year(s)

Features

SSD capacity
7.68 TB
SSD form factor
U.2
Interface
PCI Express 5.0
NVMe
Yes
Component for
Server/workstation
Hardware encryption
Yes
NVMe version
2.0
Read speed
13700 MB/s
Write speed
7500 MB/s
Random read (4KB)
3300000 IOPS
Random write (4KB)
430000 IOPS
Read latency
65 µs
Write latency
8 µs
Uncorrectable Bit Error Rate (UBER)
< 1 per 10^17 bits read
Mean time between failures (MTBF)
2500000 h
Drive writes per day (DWPD)
1

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