Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
100 Overall Score
vs
Intel 240GB SSD SATA III
Intel
27 Overall Score
What Buyers Say
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
92 out of 100 medium confidence 17 reviews
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
Speed 6
Value for money 4
Reliability 4
Ps5 compatibility 3
Firmware concerns 2
Installation 2
Intel 240GB SSD SATA III
No customer feedback yet
Scores
Laptop
Workstation
Gaming
Console
Budget
Portable
Specifications
| Western Digital Black SN850X | Intel 240GB SSD | |
|---|---|---|
| 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) | ||
| 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) | ||
| 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 (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (12th percentile)12th %ile
Intel 240GB SSD SATA III
- Strong feature (79th percentile)
- Strong endurance (65th percentile)
- Below average social proof (3rd percentile)3rd %ile
- Below average speed (3rd percentile)3rd %ile
- Below average random (7th percentile)7th %ile
- Below average capacity (10th percentile)10th %ile
Pricing
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 22800.167score per dollar
vs
Intel 240GB SSD SATA III0.073score per dollar
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280 offers 2.3x better value for money
Verdict
Winner: Western Digital Black SN850X
Scores 100 overall, wins 6 of 6 usage categories and 8 of 18 specs.
