MZ-77Q8T0 vs SB-RKT4P-8TB
Samsung MZ-77Q8T0 (8TB) versus Sabrent SB-RKT4P-8TB (8TB)
Verdict
For a NAS cache or any write-heavy pool, the SB-RKT4P-8TB is the safer pick - the MZ-77Q8T0 uses QLC NAND, which wears out faster and slows down badly under sustained writes. Only consider the MZ-77Q8T0 for light, read-mostly storage.
| MZ-77Q8T0 | SB-RKT4P-8TB | |
|---|---|---|
| Capacity | 8 TB | 8 TB |
| Form factor | 2.5 | M.2 |
| Interface | SATA | NVMe |
| NAND type | QLC | TLC |
| Endurance (TBW) | 2,880 TB | 5,600 TB |
| DWPD | - | - |
| DRAM cache | Yes | Yes |
| Power-loss protection | No | No |
| Sustained write | 160 MB/s | - |
| Price / TB | $185.00 | $400.00 |
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.