Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
97 Overall Score
vs
Kingston 512GB SSD SATA III mSATA
Kingston
49 Overall Score
Scores
Workstation
Gaming
Console
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | Kingston 512GB SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | mSATA |
| 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 | ✓ | ✓ |
| Controller | — | SM2259 |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✓★ | — |
| Hardware Encryption | — | ✓★ |
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
Kingston 512GB SSD SATA III mSATA
- Strong feature (94th percentile)94th %ile
- Strong social proof (77th percentile)
- Below average random (23rd percentile)
- Below average speed (34th percentile)
- Below average capacity (35th percentile)
Pricing
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 22800.078score per dollar
vs
Kingston 512GB SSD SATA III mSATA0.308score per dollar
Kingston 512GB SSD SATA III mSATA offers 3.9x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 97 overall, wins 5 of 6 usage categories and 10 of 18 specs.
