Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
vs
Lexar ES3 1TB Portable USB 3.2 Gen 2
Lexar
35 Overall Score
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | Lexar ES3 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | External |
| Interface | PCIe 4.0 x4 | USB 3.2 Gen 2 |
| Protocol | NVMe | — |
| 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★ | — |
| DRAM Cache | ✓★ | — |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 3★ | — |
| 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
Lexar ES3 1TB Portable USB 3.2 Gen 2
- Strong social proof (78th percentile)
- Below average random (3rd percentile)3rd %ile
- Below average endurance (15th percentile)15th %ile
- Below average feature (34th percentile)
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 12 of 17 specs.