Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Samsung 870 EVO 500GB 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
Samsung 870 EVO 500GB SATA III 2.5"
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 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 | MLC★ |
| DRAM Cache | ✓ | ✓ |
| Controller | WD 20-82-20035-B1 | MKX |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 5 | 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 (95th percentile)95th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (11th percentile)11th %ile
Samsung 870 EVO 500GB SATA III 2.5"
- Strong feature (97th percentile)97th %ile
- Strong endurance (83rd percentile)83rd %ile
- Strong user sentiment (65th percentile)
- Below average social proof (3rd percentile)3rd %ile
- Below average random (22nd percentile)
- Below average capacity (26th percentile)
Pricing
Samsung 870 EVO 500GB SATA III 2.5" offers 1.2x better value for money
Verdict
Scores 100 overall, wins 6 of 6 usage categories and 7 of 18 specs.
