KingSpec ONEBOOM X400 1TB PCIe 4.0 x4 NVMe M.2 2280
KingSpec
73 Overall Score
vs
Western Digital WD_BLACK SN850X 2TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
97 Overall Score
What Buyers Say
KingSpec ONEBOOM X400 1TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Western Digital WD_BLACK SN850X 2TB 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 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
Gaming
Workstation
Console
Budget
Laptop
Portable
Specifications
| KingSpec ONEBOOM X400 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 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) | ||
| MTBF (hours) | ||
| Warranty (years) | 3 | 3 |
| Features | ||
| Heatsink | ✓ | ✓ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
KingSpec ONEBOOM X400 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong feature (94th percentile)94th %ile
- Strong speed (91st percentile)91st %ile
- Strong random (89th percentile)89th %ile
- Strong endurance (80th percentile)80th %ile
Western Digital WD_BLACK SN850X 2TB PCIe 4.0 x4 NVMe M.2 2280
- Strong feature (99th percentile)99th %ile
- Strong random (95th percentile)95th %ile
- Strong social proof (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Below average affordability (25th percentile)
Pricing
KingSpec ONEBOOM X400 1TB PCIe 4.0 x4 NVMe M.2 2280
No current pricing available
Western Digital WD_BLACK SN850X 2TB PCIe 4.0 x4 NVMe M.2 2280
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 97 overall, wins 6 of 6 usage categories and 6 of 17 specs.
