Western Digital Ultrastar DC SN655 3.84 TB U.3 PCI Express 4.0 NVMe 3D TLC NAND
- 3.84 TB U.3 PCI Express 4.0
- Read speed: 6800 MB/s 1000000 IOPS
- Write speed: 2600 MB/s 112000 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 |
10 µs |
Read latency |
80 µs |
Random write (4KB) |
112000 IOPS |
Random read (4KB) |
1000000 IOPS |
Write speed |
2600 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 |
3.84 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 |