WDS400T1R0C vs WDS400T2R0A
WD WDS400T1R0C (4TB) versus WD WDS400T2R0A (4TB)
Verdict
Both are comparable SSDs. The WDS400T1R0C is rated for more write endurance than the WDS400T2R0A, so it's the longer-lasting choice for a NAS that sees steady writes; for light use either is fine and price decides.
| WDS400T1R0C | WDS400T2R0A | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Form factor | M.2 | 2.5 |
| Interface | NVMe | SATA |
| NAND type | TLC | TLC |
| Endurance (TBW) | 5,100 TB | 2,500 TB |
| DWPD | 0.7 | - |
| DRAM cache | Yes | Yes |
| Power-loss protection | No | No |
| Sustained write | - | - |
| Price / TB | $253.68 | $212.50 |
Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price where available.