Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
98 Overall Score
vs
KingSpec P3-FB 1TB SATA III 2.5"
KingSpec
45 Overall Score
Scores
Workstation
Gaming
Console
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | KingSpec P3-FB | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | 2.5" |
| Interface | PCIe 4.0 x4 | SATA III |
| Protocol | NVMe | SATA |
| PCIe Generation | 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) | No data | |
| 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 P3-FB 1TB SATA III 2.5"
- Strong affordability (70th percentile)
- Strong social proof (68th percentile)
- Below average random (22nd percentile)
- Below average speed (34th percentile)
Pricing
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 22800.078score per dollar
vs
KingSpec P3-FB 1TB SATA III 2.5"0.362score per dollar
KingSpec P3-FB 1TB SATA III 2.5" offers 4.6x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 98 overall, wins 5 of 6 usage categories and 11 of 16 specs.
