KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
Western Digital BLACK SN850X
Scores
Specifications
| KingSpec 256GB SSD | Western Digital BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2242 | M.2 2280 |
| Interface | PCIe 3.0 x2 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 3 | 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) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✗ | ✗ |
| Hardware Encryption | — | ✗ |
Pros & Cons
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
- Strong social proof (79th percentile)
- Below average capacity (18th percentile)18th %ile
Western Digital BLACK SN850X
- Strong social proof (100th percentile)100th %ile
- Strong random (93rd percentile)93rd %ile
- Strong endurance (87th percentile)87th %ile
- Strong speed (86th percentile)86th %ile
Pricing
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242 offers 2.4x better value for money
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
Western Digital BLACK SN850X
Verdict
Scores 82 overall, wins 6 of 6 usage categories and 9 of 17 specs.