Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
vs
fanxiang S500 Pro 256GB PCIe 3.0 x4 NVMe M.2 2280
fanxiang
53 Overall Score
What Buyers Say
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
fanxiang S500 Pro 256GB PCIe 3.0 x4 NVMe M.2 2280
82 out of 100 medium confidence 12 reviews
The Fanxiang S500 Pro SSD generally receives high praise for its speed, reliability, and value for money, with many users noting it performs well in laptops, desktops, and even external enclosures. However, a few users encountered issues such as a drive not initializing or concerns about quality control and customer support, which slightly dampen the overall sentiment.
Pros
- Fast read/write speeds
- Good value for money
- Reliable performance
- Easy installation
- Compatible with various systems
Cons
- Occasional drive initialization failure
- Quality control variability
- Limited customer support
- No dedicated DRAM (HMB cache)
- Potential slowdowns during sustained transfers
Performance 8
Value for money 6
Reliability 7
Ease of installation 5
Compatibility 5
Quality control 3
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Western Digital WD_BLACK SN850X | fanxiang S500 Pro | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 3.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | 3 |
| 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) | ||
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 3 |
| Features | ||
| Heatsink | ✓★ | ✗ |
Pros & Cons
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
fanxiang S500 Pro 256GB PCIe 3.0 x4 NVMe M.2 2280
- Strong affordability (90th percentile)90th %ile
- Strong endurance (84th percentile)84th %ile
- Strong social proof (77th percentile)
- Below average capacity (18th percentile)18th %ile
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 10 of 16 specs.