Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
vs
fanxiang S910 Pro 2TB PCIe 5.0 x4 NVMe M.2 2280
fanxiang
82 Overall Score
Scores
Gaming
Console
Workstation
Laptop
Budget
Portable
Specifications
| Western Digital WD_BLACK SN850X | fanxiang S910 Pro | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 5★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | SLC★ |
| DRAM Cache | ✓ | ✓ |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓★ | ✗ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
fanxiang S910 Pro 2TB PCIe 5.0 x4 NVMe M.2 2280
- Strong feature (100th percentile)100th %ile
- Strong speed (97th percentile)97th %ile
- Strong endurance (90th percentile)90th %ile
- Strong random (81st percentile)81st %ile
- Below average affordability (34th percentile)
Pricing
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 22800.144score per dollar
vs
fanxiang S910 Pro 2TB PCIe 5.0 x4 NVMe M.2 22800.258score per dollar
fanxiang S910 Pro 2TB PCIe 5.0 x4 NVMe M.2 2280 offers 1.8x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 6 of 17 specs.
