Western Digital Ultrastar DC SN655 - 1DWPD 15.38TB
NVMe · 4 · 4
General
| Interface | NVMe |
|---|---|
| PCIe Generation | 4 |
| PCIe Lanes | 4 |
| Protocol | NVMe 1.4 |
| Form Factor | U.3 |
| Capacity | 15380 GB |
| Dimensions | 100.45x69.85x15mm |
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Performance
| Sequential Read | 6800 MB/s |
|---|---|
| Sequential Write | 3700 MB/s |
| 4K Read (IOPS) | 1,100K |
| 4K Write (IOPS) | 125K |
| Cache Note | Power-Loss Protection |
NAND and Controller
| NAND Type | TLC |
|---|---|
| NAND Maker | Kioxia |
| NAND Layers | 112 |
Endurance
| Endurance (TBW) | 28,068 TB |
|---|---|
| MTBF | 2.5 million hours |
| Encryption | 256bit AES, Instant Secure Erase (ISE) |
| Warranty | 5 years |
Heatsink
| Heatsink | No |
|---|