Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
97 Overall Score
vs
BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280
BIWIN
69 Overall Score
Scores
Workstation
Gaming
Console
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | BIWIN Black Opal NV7400 | |
|---|---|---|
| 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 | TLC |
| DRAM Cache | ✓★ | ✗ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| 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
BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (93rd percentile)93rd %ile
- Strong speed (90th percentile)90th %ile
- Strong social proof (87th percentile)87th %ile
- Strong feature (79th percentile)
- Below average endurance (15th percentile)15th %ile
Pricing
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 97 overall, wins 5 of 6 usage categories and 8 of 16 specs.
