WDS400T4B0E vs ZP4000GM3A063
SSD head-to-head - specs, value and live price side by side.
Verdict
For a NAS cache or write-heavy pool, the ZP4000GM3A063 is the safer pick - the WDS400T4B0E uses QLC NAND, which wears out faster and slows badly under sustained writes (light, read-mostly use only).
Value at a glance
Price / TB
WDS400T4B0E
$121.36
ZP4000GM3A063
$182.65
Endurance (TBW)
WDS400T4B0E
1,200 TB
ZP4000GM3A063
5,050 TB
Price history
UK · cheapest per day
WDS400T4B0E £400
ZP4000GM3A063 £639
zoomed ·
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| WDS400T4B0E | ZP4000GM3A063 | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Form factor | M.2 | M.2 |
| Interface | NVMe | NVMe |
| NAND type | QLC | TLC |
| Endurance (TBW) | 1,200 TB | 5,050 TB |
| DWPD | - | - |
| DRAM cache | No | Yes |
| Power-loss protection | No | No |
| Sustained write | - | - |
| Cost / TBW | $0.405 | $0.145 |
| Price / TB | $121.36 | $182.65 |
| Buy |
£400
View at Amazon →
|
£639
View at Amazon →
|
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.
WDS400T4B0E
No Backblaze failure data for this model.
ZP4000GM3A063
No Backblaze failure data for this model.