Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
97 Overall Score
vs
Western Digital BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
65 Overall Score
Scores
Workstation
Gaming
Console
Laptop
Budget
Portable
Specifications
| Western Digital WD_BLACK SN850X | Western Digital BLACK SN770 | |
|---|---|---|
| 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) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓★ | ✗ |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | ✓★ | ✗ |
| Hardware Encryption | — | ✗ |
Pros & Cons
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
- Strong capacity (98th percentile)98th %ile
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Below average affordability (4th percentile)4th %ile
Western Digital BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (100th percentile)100th %ile
- Strong endurance (83rd percentile)83rd %ile
- Strong speed (76th percentile)
- Below average affordability (0th percentile)0th %ile
Pricing
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 97 overall, wins 6 of 6 usage categories and 9 of 17 specs.
