











| Specification | Details |
|---|---|
| Model / Part Number | MZ‑77E250BW |
| Capacity | 250 GB |
| Form Factor | 2.5″ SATA |
| Interface | SATA III (6 Gb/s) |
| NAND Flash | Samsung V‑NAND 3-bit MLC |
| Controller | Samsung MKX |
| DRAM Cache | 256 MB LPDDR4 |
| Sequential Read Speed | Up to ~560 MB/s |
| Sequential Write Speed | Up to ~530 MB/s |
| Random Read (4K, QD32) | ~95,000 IOPS |
| Random Write (4K, QD32) | ~88,000 IOPS |
| Endurance / TBW | 150 TBW |
| Operating Temperature | 0 °C – 70 °C |
| Idle Power Consumption | ~30 mW |
| Dimensions | 100 mm × 69.85 mm × 6.8 mm |
| Weight | ~45 g |