Western Digital WD_BLACK SN770 250GB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
52 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
Scores
Gaming
Console
Workstation
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN770 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | — | TLC★ |
| DRAM Cache | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✗ | ✓★ |
Pros & Cons
Western Digital WD_BLACK SN770 250GB PCIe 4.0 x4 NVMe M.2 2280
- Strong endurance (93rd percentile)93rd %ile
- Strong random (84th percentile)84th %ile
- Below average capacity (13th percentile)13th %ile
- Below average feature (15th percentile)15th %ile
- Below average social proof (18th percentile)18th %ile
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 6 of 6 usage categories and 9 of 16 specs.