Kingston A400
Kingston
43 Overall Score
vs
Western Digital WD Black SN850X
Western Digital
99 Overall Score
What Buyers Say
Kingston A400
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 exceptional speed and reliability, often compared favorably to competitors like Samsung and Solidigm. Users highlight its value for money, especially when on sale, and its suitability for both gaming and general high-performance tasks. Some concerns about potential issues are mitigated by firmware updates, and the drive is confirmed to work well with PS5 and Windows 11.
Pros
- Blazing fast speeds
- Reliable performance
- Great value for money
- Easy PS5 installation
- Works with Windows 11
Cons
- Potential firmware issues
- 4TB version double-sided
- May require heatsink for intense use
Speed 6
Reliability 5
Value for money 3
Ps5 compatibility 3
Firmware concerns 2
Windows 11 boot 1
Scores
Budget
Workstation
Gaming
Console
Laptop
Portable
Specifications
| Kingston A400 | Western Digital WD Black SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | 2.5" | M.2 2280 |
| Interface | SATA III | PCIe 4.0 x4 |
| Protocol | SATA | 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 | TLC |
| DRAM Cache | ✗ | ✓★ |
| Controller | Marvell 88SS1074 | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | — | 5★ |
| Features | ||
| Heatsink | — | ✓★ |
| Hardware Encryption | ✗ | ✓★ |
Pros & Cons
Kingston A400
- Strong social proof (79th percentile)
- Below average speed (15th percentile)15th %ile
- Below average random (22nd percentile)
Western Digital WD Black SN850X
- Strong social proof (100th percentile)100th %ile
- Strong feature (99th percentile)99th %ile
- Strong random (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
Pricing
Verdict
Winner: Western Digital WD Black SN850X
Scores 99 overall, wins 6 of 6 usage categories and 12 of 18 specs.
