| Description | WD 2.5″ SSD ULTRASTAR SN640 7.68TB (PCIe/NVMe)(Di) – 0TS1930 |
| Manufacturer | Western Digital |
| Warranty | 24 Month Guarantee (Service/Return via Manufacturer) |
| Technical details | |
|---|---|
| Vendor | Western Digital |
| Weight & dimensions | |
| Height | 7 mm |
| Width | 69.8 mm |
| Depth | 100.5 mm |
| Weight | 95 g |
| Features | |
| Uncorrectable Bit Error Rate (UBER) | <1 sector per 10^17 bits read |
| Read latency | 225 µs |
| Hardware encryption | Y |
| Read speed | 3100 MB/s |
| Write speed | 1800 MB/s |
| Interface | PCI Express 3.1 |
| SSD form factor | 2.5″ |
| NVMe | Y |
| NVMe version | 1.3 |
| Security algorithms | 256-bit AES |
| Mean time between failures (MTBF) | 2000000 h |
| SSD capacity | 7680 GB |
| Memory type | 3D TLC |
| Random write (4KB) | 65000 IOPS |
| Random read (4KB) | 467000 IOPS |
| Component for | Server/workstation |
| Power | |
| Operating voltage | 12 V |
| Power consumption (idle) | 5 W |
| Power consumption (average) | 12 W |
| Operational conditions | |
| Operating temperature (T-T) | 0 – 78 °C |
| Storage temperature (T-T) | -40 – 85 °C |
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