Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
99 Overall Score
vs
PHIXERO P20 512GB Portable USB 3.2 Gen 2x2
PHIXERO
29 Overall Score
What Buyers Say
Western Digital WD_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
PHIXERO P20 512GB Portable USB 3.2 Gen 2x2
No customer feedback yet
Scores
Budget
Console
Gaming
Workstation
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | PHIXERO P20 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | External |
| Interface | PCIe 4.0 x4 | USB 3.2 Gen 2x2 |
| Protocol | NVMe | — |
| PCIe Generation | 4★ | — |
| External | ✗ | ✓ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | 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 4TB PCIe 4.0 x4 NVMe M.2 2280
- 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
PHIXERO P20 512GB Portable USB 3.2 Gen 2x2
- Below average random (3rd percentile)3rd %ile
- Below average feature (14th percentile)14th %ile
- Below average capacity (34th percentile)
Pricing
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
PHIXERO P20 512GB Portable USB 3.2 Gen 2x2
No current pricing available
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 99 overall, wins 5 of 6 usage categories and 11 of 16 specs.
