Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Lexar NS100 512GB SATA III 2.5"
What Buyers Say
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
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
Lexar NS100 512GB SATA III 2.5"
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
Scores
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★ | — |
| 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 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 Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
Lexar NS100 512GB SATA III 2.5"
Verdict
Scores 99 overall, wins 5 of 6 usage categories and 11 of 18 specs.
