Western Digital WD_BLACK SN850X
Western Digital
99 Overall Score
vs
SanDisk Extreme PRO Portable
SanDisk
56 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 Extreme PRO Portable
No customer feedback yet
Scores
Budget
Console
Gaming
Workstation
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | SanDisk Extreme PRO Portable | |
|---|---|---|
| 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★ | — |
| 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 (96th percentile)96th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong random (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
SanDisk Extreme PRO Portable
- Strong social proof (80th percentile)80th %ile
Pricing
Western Digital WD_BLACK SN850X0.152score per dollar
vs
SanDisk Extreme PRO Portable0.236score per dollar
SanDisk Extreme PRO Portable offers 1.6x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 99 overall, wins 5 of 6 usage categories and 10 of 17 specs.
