Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
97 Overall Score
vs
Addlink S91 1TB PCIe 4.0 x4 NVMe M.2 2230
Addlink
61 Overall Score
Scores
Workstation
Gaming
Console
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | Addlink S91 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2230 |
| 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) | No data | |
| MTBF (hours) | ||
| Warranty (years) | 5 | 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
Addlink S91 1TB PCIe 4.0 x4 NVMe M.2 2230
- Strong speed (70th percentile)
Pricing
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 22800.008score per dollar
vs
Addlink S91 1TB PCIe 4.0 x4 NVMe M.2 22300.029score per dollar
Addlink S91 1TB PCIe 4.0 x4 NVMe M.2 2230 offers 3.6x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 97 overall, wins 5 of 6 usage categories and 9 of 16 specs.
