Western Digital WD Black SN850X
Western Digital
99 Overall Score
vs
SanDisk SSD
SanDisk
66 Overall Score
What Buyers Say
Western Digital WD Black SN850X
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
SanDisk SSD
No customer feedback yet
Scores
Budget
Console
Gaming
Workstation
Portable
Laptop
Specifications
| Western Digital WD Black SN850X | SanDisk SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | External |
| Interface | PCIe 4.0 x4 | USB 3.2 Gen 2 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 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 | ✓★ | ✗ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓★ | ✗ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
Western Digital WD Black SN850X
- Strong social proof (95th percentile)95th %ile
- Strong random (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
SanDisk SSD
- Strong social proof (95th percentile)95th %ile
- Strong feature (79th percentile)
- Strong capacity (78th percentile)
Pricing
Western Digital WD Black SN850X0.086score per dollar
vs
SanDisk SSD0.133score per dollar
SanDisk SSD offers 1.5x better value for money
Western Digital WD Black SN850X
SanDisk SSD
Verdict
Winner: Western Digital WD Black SN850X
Scores 99 overall, wins 5 of 6 usage categories and 10 of 17 specs.
