Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
XPG GAMMIX S70 Blade 2TB 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
XPG GAMMIX S70 Blade 2TB PCIe 4.0 x4 NVMe M.2 2280
Users are overwhelmingly positive about this SSD, praising its ease of installation, fast speeds, and great value for money. Many mention using it as a boot drive or for gaming, with one long-term user noting it still runs perfectly after nearly three years. A few minor concerns exist about compatibility and performance differences, but overall it's highly recommended.
Pros
- Easy installation
- Fast speeds
- Great value for money
- Reliable long-term performance
- Works well for gaming
Cons
- Slightly slower than Samsung 990 Pro
- Mixed feelings for some
- No major complaints
Scores
Specifications
| Western Digital Black SN850X | XPG GAMMIX S70 Blade | |
|---|---|---|
| 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) | ||
| MTBF (hours) | ||
| 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
XPG GAMMIX S70 Blade 2TB PCIe 4.0 x4 NVMe M.2 2280
- Strong feature (94th percentile)94th %ile
- Strong speed (93rd percentile)93rd %ile
- Strong random (90th percentile)90th %ile
- Strong user sentiment (79th percentile)
- Below average affordability (30th percentile)
Verdict
Scores 100 overall, wins 5 of 6 usage categories and 5 of 18 specs.