Western Digital Ultrastar DC SN655 15.4 TB U.3 PCI Express 4.0 NVMe 3D TLC NAND
- 15.4 TB U.3 PCI Express 4.0
- Read speed: 6800 MB/s 1100000 IOPS
- Write speed: 3700 MB/s 125000 IOPS
- 3D TLC NAND NVMe 1.4b
- Component for: Server/workstation
| Features | |
|---|---|
| Linux operating systems supported | Yes |
| Windows operating systems supported | Yes |
| Mean time between failures (MTBF) | 2500000 h |
| Uncorrectable Bit Error Rate (UBER) | < 1 per 10^17 bits read |
| Write latency | 15 µs |
| Read latency | 100 µs |
| Random write (4KB) | 125000 IOPS |
| Random read (4KB) | 1100000 IOPS |
| Write speed | 3700 MB/s |
| Read speed | 6800 MB/s |
| Component for | Server/workstation |
| Memory type | 3D TLC NAND |
| NVMe version | 1.4b |
| NVMe | Yes |
| Interface | PCI Express 4.0 |
| SSD form factor | U.3 |
| SSD capacity | 15.4 TB |
| Power | |
|---|---|
| Power consumption (idle) | 8 W |
| Operating voltage | 12 V |
| Weight & dimensions | |
|---|---|
| Weight | 147.3 g |
| Height | 15 mm |
| Depth | 100.5 mm |
| Width | 69.8 mm |
| Operational conditions | |
|---|---|
| Storage temperature (T-T) | -40 – 85 °C |
| Operating temperature (T-T) | 0 – 70 °C |
| General | |
|---|---|
| Product family | Ultrastar |
