Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
99 Overall Score
vs
Lexar NS100 256GB SATA III 2.5"
Lexar
35 Overall Score
What Buyers Say
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
92 out of 100 medium confidence 17 reviews
The WD Black SN850X is highly praised for its blazing speed, reliability, and value, often compared favorably to pricier alternatives like Samsung and Solidigm. Users report excellent performance in gaming (especially PS5) and general use, with a few concerns about potential issues mitigated by firmware updates. Overall, it's seen as a top-tier NVMe drive, especially when on sale.
Pros
- Blazing fast speeds
- Excellent value for money
- Reliable high-capacity storage
- Great for PS5
- Easy installation
Cons
- Potential firmware issues
- No heatsink included
- Pricey when not on sale
Speed 6
Value for money 4
Reliability 4
Ps5 compatibility 3
Firmware concerns 2
Installation 2
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
Laptop
Gaming
Workstation
Console
Budget
Portable
Specifications
| Western Digital 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 | ✓★ | — |
| Controller | WD 20-82-20035-B1 | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✗ | — |
| Hardware Encryption | ✗ | — |
Pros & Cons
Western Digital 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 user sentiment (95th percentile)95th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (11th percentile)11th %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 (22nd percentile)
- Below average user sentiment (29th percentile)
Verdict
Winner: Western Digital Black SN850X
Scores 99 overall, wins 6 of 6 usage categories and 10 of 18 specs.