Western Digital WD Black SN850X
Western Digital
99 Overall Score
vs
Solidigm D3-S4520
Solidigm
31 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
Solidigm D3-S4520
No customer feedback yet
Scores
Budget
Console
Gaming
Workstation
Laptop
Portable
Specifications
| Western Digital WD Black SN850X | Solidigm D3-S4520 | |
|---|---|---|
| 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) | No data | |
| Sequential Write (MB/s) | No data | |
| 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 | ✓★ | — |
Pros & Cons
Western Digital WD Black SN850X
- Strong social proof (96th percentile)96th %ile
- Strong random (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
Solidigm D3-S4520
- Below average speed (7th percentile)7th %ile
- Below average capacity (11th percentile)11th %ile
- Below average random (22nd percentile)
Pricing
Western Digital WD Black SN850X0.086score per dollar
vs
Solidigm D3-S45200.015score per dollar
Western Digital WD Black SN850X offers 5.7x better value for money
Western Digital WD Black SN850X
Solidigm D3-S4520
Verdict
Winner: Western Digital WD Black SN850X
Scores 99 overall, wins 6 of 6 usage categories and 10 of 16 specs.
