Western Digital Ultrastar DC SN640 960 GB 2.5" PCI Express 3.1 NVMe 3D TLC
Western Digital Ultrastar DC SN640, 960 GB, 2.5", 3320 MB/s
| Date | Price |
|---|---|
| 10 July 2026 | £255 |
| 17 July 2026 | £256 |
| 22 July 2026 | £258 |
| 4 August 2026 | £257 |
| 8 August 2026 | £256 |
| 15 August 2026 | £255 |
| 27 August 2026 | £254 |
| 2 September 2026 | £255 |
| 5 September 2026 | £256 |
| 11 September 2026 | £255 |
| 18 September 2026 | £259 |
| 24 September 2026 | £261 |
| 26 September 2026 | £212 |
| 30 September 2026 | £211 |
| 2 October 2026 | £212 |
| 2 October 2026 | £211 |
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Product Information
Accelerate Access to Critical Data for Data-Intensive Workloads and Applications
Ultrastar NVMe series SSDs perform at the speed of today’s business needs. Enabling faster intelligence & access to critical data, these SSDs meet the growing digital demands of your business applications.
Performance NVMe Ultrastar DC SN840 SSDs deliver extreme performance & ultra-low latency to the top tier of enterprise storage. With proven dual-port NVMe architecture, these drives are best suited for performance demanding platforms including HPC servers, mission-critical applications and workloads that require superior read/write performance and low latency.
Mainstream NVMe Ultrastar DC SN640 SSDs are optimized for consistent quality of service and low latency for mixed random read/write workloads commonly generated by top enterprise applications such as virtualization, OLTP, NoSQL, web servers, file servers and mail servers. Ultrastar DC SN640 enables a seamless transition from SATA SSDs, delivering high performance for deeper insights & faster results for today’s data intensive applications.
Product
- Name
- Western Digital Ultrastar DC SN640 960 GB 2.5" PCI Express 3.1 NVMe 3D TLC
- Category
- Internal Solid State Drives
- Brand
- Western Digital
Weight & dimensions
- Width
- 69.8 mm
- Depth
- 100.5 mm
- Height
- 7 mm
- Weight
- 95 g
Operational conditions
- Operating temperature (T-T)
- 0 - 70 °C
- Storage temperature (T-T)
- -40 - 85 °C
Power
- Operating voltage
- 12 V
- Power consumption (average)
- 5 W
- Power consumption (idle)
- 5 W
Logistics data
- Harmonized System (HS) code
- 84717070
Features
- SSD capacity
- 960 GB
- SSD form factor
- 2.5"
- Interface
- PCI Express 3.1
- NVMe
- Yes
- Memory type
- 3D TLC
- Component for
- PC/Laptop
- NVMe version
- 1.3c
- Read speed
- 3320 MB/s
- Write speed
- 1180 MB/s
- Random read (4KB)
- 413000 IOPS
- Random write (4KB)
- 44000 IOPS
- Read latency
- 84 µs
- Uncorrectable Bit Error Rate (UBER)
- < 1 per 10^17 bits read
- Mean time between failures (MTBF)
- 2000000 h
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