Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
97 Overall Score
vs
Lexar NM1090 PRO 1TB PCIe 5.0 x4 NVMe M.2 2280
Lexar
76 Overall Score
Scores
Workstation
Gaming
Console
Laptop
Budget
Portable
Specifications
| Western Digital WD_BLACK SN850X | Lexar NM1090 PRO | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 5★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | SLC★ |
| DRAM Cache | ✓ | ✓ |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 5★ | — |
| Features | ||
| Heatsink | ✓★ | ✗ |
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
Lexar NM1090 PRO 1TB PCIe 5.0 x4 NVMe M.2 2280
- Strong random (98th percentile)98th %ile
- Strong feature (98th percentile)98th %ile
- Strong speed (97th percentile)97th %ile
- Strong endurance (75th percentile)
Pricing
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 97 overall, wins 4 of 6 usage categories and 5 of 16 specs.
