Lexar PSSD D70E
Lexar
36 Overall Score
vs
Western Digital WD_BLACK SN850X
Western Digital
95 Overall Score
Scores
Laptop
Budget
Gaming
Workstation
Console
Portable
Specifications
| Lexar PSSD D70E | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | External | M.2 2280 |
| Interface | USB 3.2 Gen 2x2 | PCIe 4.0 x4 |
| 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 | — | ✓★ |
| Controller | — | WD 20-82-20035-B1 |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | — | 5★ |
| Features | ||
| Heatsink | — | ✗ |
| Hardware Encryption | — | ✗ |
Pros & Cons
Lexar PSSD D70E
- Below average random (3rd percentile)3rd %ile
- Below average endurance (14th percentile)14th %ile
- Below average feature (14th percentile)14th %ile
Western Digital WD_BLACK SN850X
- Strong social proof (100th percentile)100th %ile
- Strong random (95th percentile)95th %ile
- Strong capacity (93rd percentile)93rd %ile
- Strong feature (89th percentile)89th %ile
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 95 overall, wins 5 of 6 usage categories and 11 of 18 specs.