SIX X15000
SIX
71 Overall Score
vs
Western Digital WD_BLACK SN850X
Western Digital
99 Overall Score
What Buyers Say
SIX X15000
No customer feedback yet
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
Scores
Budget
Console
Gaming
Workstation
Laptop
Portable
Specifications
| SIX X15000 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 5★ | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✓ | ✓ |
Pros & Cons
SIX X15000
- Strong speed (98th percentile)98th %ile
- Strong random (98th percentile)98th %ile
- Strong feature (86th percentile)86th %ile
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
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 99 overall, wins 6 of 6 usage categories and 4 of 16 specs.