CT4000T705SSD3 vs MZ-77Q4T0
SSD head-to-head - specs, value and live price side by side.
Verdict
For a NAS cache or write-heavy pool, the CT4000T705SSD3 is the safer pick - the MZ-77Q4T0 uses QLC NAND, which wears out faster and slows badly under sustained writes (light, read-mostly use only).
Value at a glance
Price / TB
CT4000T705SSD3
$158.50
MZ-77Q4T0
$242.44
Endurance (TBW)
CT4000T705SSD3
2,400 TB
MZ-77Q4T0
1,440 TB
Price history
DE · cheapest per day
CT4000T705SSD3 €801
MZ-77Q4T0 €889
zoomed ·
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| CT4000T705SSD3 | MZ-77Q4T0 | |
|---|---|---|
| Capacity | 4 TB | 4 TB |
| Form factor | M.2 | 2.5 |
| Interface | NVMe | SATA |
| NAND type | TLC | QLC |
| Endurance (TBW) | 2,400 TB | 1,440 TB |
| DWPD | - | - |
| DRAM cache | Yes | Yes |
| Power-loss protection | No | No |
| Sustained write | - | 160 MB/s |
| Cost / TBW | $0.264 | $0.673 |
| Price / TB | $158.50 | $242.44 |
| Buy |
€801
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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.
CT4000T705SSD3
No Backblaze failure data for this model.
MZ-77Q4T0
No Backblaze failure data for this model.