MZ-77Q1T0 vs MZ7L31T9HBLT-00W07
Samsung MZ-77Q1T0 (1TB) versus Samsung MZ7L31T9HBLT-00W07 (1.92TB)
Verdict
For a NAS cache or any write-heavy pool, the MZ7L31T9HBLT-00W07 is the safer pick - the MZ-77Q1T0 uses QLC NAND, which wears out faster and slows down badly under sustained writes. Only consider the MZ-77Q1T0 for light, read-mostly storage.
| MZ-77Q1T0 | MZ7L31T9HBLT-00W07 | |
|---|---|---|
| Capacity | 1 TB | 1.92 TB |
| Form factor | 2.5 | 2.5 |
| Interface | SATA | SATA |
| NAND type | QLC | TLC |
| Endurance (TBW) | 360 TB | 3,504 TB |
| DWPD | - | 1.0 |
| DRAM cache | Yes | Yes |
| Power-loss protection | No | Yes |
| Sustained write | 80 MB/s | - |
| Price / TB | $253.99 | $445.18 |
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.