Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280
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
BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Specifications
| Western Digital Black SN850X | BIWIN Black Opal NV7400 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | 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
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (95th percentile)95th %ile
- Strong social proof (95th percentile)95th %ile
- Strong user sentiment (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (11th percentile)11th %ile
BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (93rd percentile)93rd %ile
- Strong speed (90th percentile)90th %ile
- Strong social proof (87th percentile)87th %ile
- Strong feature (79th percentile)
- Below average endurance (15th percentile)15th %ile
Pricing
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
BIWIN Black Opal NV7400 1TB PCIe 4.0 x4 NVMe M.2 2280
Verdict
Scores 100 overall, wins 5 of 6 usage categories and 8 of 18 specs.