Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
vs
Lexar NS100 512GB SATA III 2.5"
Lexar
40 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 512GB SATA III 2.5"
72 out of 100 low confidence 6 reviews
Most users are very satisfied with this 128GB SSD, praising its value for money, speed, and suitability as an upgrade for 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 performance
- Easy upgrade for old systems
- Recommended by users
Cons
- Defective unit risk
- Diagnostic failures
- Requires GPT conversion
Value for money 3
Performance 2
Reliability 2
Ease of installation 2
Compatibility 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★ | — |
| 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 512GB SATA III 2.5"
- Strong social proof (87th percentile)87th %ile
- Strong affordability (79th percentile)
- Strong endurance (74th percentile)
- Below average feature (15th percentile)15th %ile
- Below average speed (20th percentile)20th %ile
- Below average random (22nd percentile)
- Below average user sentiment (29th percentile)
Pricing
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
Lexar NS100 512GB SATA III 2.5"
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 11 of 16 specs.
