Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
98 Overall Score
vs
KingSpec 1TB SSD PCIe 3.0 x4 NVMe M.2 2280
KingSpec
63 Overall Score
Scores
Workstation
Gaming
Console
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | KingSpec 1TB SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 3.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| 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) | ||
| MTBF (hours) | ||
| Warranty (years) | 5★ | 3 |
| 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
KingSpec 1TB SSD PCIe 3.0 x4 NVMe M.2 2280
- Strong endurance (94th percentile)94th %ile
- Strong social proof (77th percentile)
- Strong affordability (65th percentile)
Pricing
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
KingSpec 1TB SSD PCIe 3.0 x4 NVMe M.2 2280
No current pricing available
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 98 overall, wins 5 of 6 usage categories and 11 of 16 specs.
