Western Digital WD PC SN740 1TB
NVMe · 4 · 4
General
| Interface | NVMe |
|---|---|
| PCIe Generation | 4 |
| PCIe Lanes | 4 |
| Protocol | NVMe |
| Form Factor | M.2 2280 |
| Capacity | 1000 GB |
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Performance
| Sequential Read | 5150 MB/s |
|---|---|
| Sequential Write | 4900 MB/s |
| DRAM Cache | No |
| Cache Type | HMB |
| Cache Note | DRAM-less design explicitly confirmed via independent review (single NAND flash package, no DRAM chip present); uses nCache 4.0 hybrid caching. Sold in both M.2 2230 and M.2 2280 form factors under the same model name; this entry covers the 2280 variant. OEM-only drive (no manufacturer warranty w… |
Heatsink
| Heatsink | No |
|---|---|
| Heatsink Note | No factory heatsink (OEM drive, single NAND package). |