WDS400T4X0E vs ZA4000NM1A002
SSD head-to-head - specs, value and live price side by side.
Verdict
These are comparable SSDs. The ZA4000NM1A002 is rated for the most write endurance, so it lasts longest in a NAS that sees steady writes; for light use any is fine and price decides.
Value at a glance
Endurance (TBW)
WDS400T4X0E
2,400 TB
ZA4000NM1A002
5,600 TB
Price history
FR · cheapest per day
WDS400T4X0E €662
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| WDS400T4X0E | ZA4000NM1A002 | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Form factor | M.2 | 2.5 |
| Interface | NVMe | SATA |
| NAND type | TLC | TLC |
| Endurance (TBW) | 2,400 TB | 5,600 TB |
| DWPD | - | 0.7 |
| DRAM cache | No | Yes |
| Power-loss protection | No | No |
| Sustained write | - | - |
| Cost / TBW | $0.225 | - |
| Price / TB | $134.97 | - |
| Buy |
€662
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Highlighted cells mark the stronger spec for a NAS build. Failure rates from Backblaze Drive Stats where available; $/TB uses the cheapest live price. Buy links are Amazon affiliate.
WDS400T4X0E
No Backblaze failure data for this model.
ZA4000NM1A002
No Backblaze failure data for this model.