MZ-V9S4T0BW vs SB-RKT4P-4TB
SSD head-to-head - specs, value and live price side by side.
Verdict
These are comparable SSDs. The SB-RKT4P-4TB 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
Price / TB
MZ-V9S4T0BW
$144.75
SB-RKT4P-4TB
$173.67
Endurance (TBW)
MZ-V9S4T0BW
2,400 TB
SB-RKT4P-4TB
3,000 TB
Price history
UK · cheapest per day
MZ-V9S4T0BW £549
SB-RKT4P-4TB £547
zoomed ·
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| MZ-V9S4T0BW | SB-RKT4P-4TB | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Form factor | M.2 | M.2 |
| Interface | NVMe | NVMe |
| NAND type | TLC | TLC |
| Endurance (TBW) | 2,400 TB | 3,000 TB |
| DWPD | - | - |
| DRAM cache | No | Yes |
| Power-loss protection | No | No |
| Sustained write | - | - |
| Cost / TBW | $0.241 | $0.232 |
| Price / TB | $144.75 | $173.67 |
| Buy |
£549
View at Amazon →
|
£547
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.
MZ-V9S4T0BW
No Backblaze failure data for this model.
SB-RKT4P-4TB
No Backblaze failure data for this model.