KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
KingSpec
41 Overall Score
vs
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
86 Overall Score
What Buyers Say
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
82 out of 100 medium confidence 11 reviews
The drive is generally well-received, especially for use in WWAN slots of laptops like ThinkPads and Dells, and in Raspberry Pi setups. Users praise its compatibility, price, and adequate performance for everyday tasks. However, one verified review reported a drive failure after about two years, though the seller's responsive customer service mitigated the issue. Overall, sentiment is positive with a note on reliability concerns.
Pros
- Works in WWAN slots
- Good price
- Adequate speed for daily use
- Compatible with Raspberry Pi
- Easy installation
Cons
- Drive failure after 2 years
- Not the fastest
- DRAM-less design
- Limited to PCIe 2x
Compatibility 6
Value for money 5
Performance 7
Reliability 3
Customer service 1
Installation 2
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Budget
Laptop
Workstation
Gaming
Console
Portable
Specifications
| KingSpec 256GB SSD | Western Digital Black SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2242 | M.2 2280 |
| Interface | PCIe 3.0 x2 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 3 | 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) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✗ | ✗ |
| Hardware Encryption | — | ✗ |
Pros & Cons
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242
- Strong affordability (89th percentile)89th %ile
- Strong social proof (77th percentile)
- Below average capacity (17th percentile)17th %ile
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong random (93rd percentile)93rd %ile
- Strong feature (89th percentile)89th %ile
- Strong endurance (88th percentile)88th %ile
Pricing
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 22420.583score per dollar
vs
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 22800.463score per dollar
KingSpec 256GB SSD PCIe 3.0 x2 NVMe M.2 2242 offers 1.3x better value for money
Verdict
Winner: Western Digital Black SN850X
Scores 86 overall, wins 6 of 6 usage categories and 10 of 17 specs.
