Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
vs
Lexar NS100 256GB SATA III 2.5"
Lexar
35 Overall Score
What Buyers Say
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Lexar NS100 256GB SATA III 2.5"
72 out of 100 low confidence 7 reviews
Most users are very satisfied with this 128GB SSD, praising its value for money, especially for upgrading older systems. One reviewer had a defective unit that failed diagnostics, but others found it a hidden gem. Overall, it's recommended for budget-conscious upgrades.
Pros
- Great value for money
- Fast for older systems
- Easy upgrade for old PCs
- Recommended by users
Cons
- Defective unit risk
- Failed diagnostics for one unit
Value for money 3
Performance 2
Reliability 2
Ease of installation 1
Recommendation 2
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | Lexar NS100 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | 2.5" |
| Interface | PCIe 4.0 x4 | SATA III |
| Protocol | NVMe | SATA |
| PCIe Generation | 4★ | — |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | MLC★ |
| DRAM Cache | ✓★ | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 3 |
| Features | ||
| Heatsink | ✓★ | — |
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 NS100 256GB SATA III 2.5"
- Strong affordability (79th percentile)
- Strong endurance (74th percentile)
- Strong feature (72nd percentile)
- Below average speed (14th percentile)14th %ile
- Below average capacity (18th percentile)18th %ile
- Below average random (23rd percentile)
- Below average user sentiment (29th percentile)
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 6 of 6 usage categories and 10 of 16 specs.