Western Digital WD_BLACK SN850X
Samsung 870 EVO
What Buyers Say
Western Digital WD_BLACK SN850X
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
Samsung 870 EVO
Users are very satisfied with this SSD, praising its performance, value for money, and suitability for older systems. The verified reviews highlight excellent price and fast shipping, while Q&A confirms compatibility and RAID support. Overall, it's a reliable choice for upgrades.
Pros
- Excellent value for money
- Fast shipping
- Works well with older systems
- Good performance
- Supports RAID setup
Cons
- Limited sample size
- No negative feedback mentioned
Scores
Specifications
| Western Digital WD_BLACK SN850X | Samsung 870 EVO | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | 2.5" |
| Interface | PCIe 4.0 x4 | SATA III |
| Protocol | NVMe | SATA |
| PCIe Generation | 4 | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓ | ✓ |
| Controller | — | MKX |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓★ | — |
| Hardware Encryption | — | ✓★ |
Pros & Cons
Western Digital WD_BLACK SN850X
- Strong social proof (96th percentile)96th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong random (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
Samsung 870 EVO
- Strong feature (94th percentile)94th %ile
- Strong endurance (83rd percentile)83rd %ile
- Strong user sentiment (65th percentile)
- Below average random (22nd percentile)
- Below average capacity (26th percentile)
Verdict
Scores 99 overall, wins 6 of 6 usage categories and 8 of 18 specs.