KingSpec 128GB SSD PCIe 3.0 x4 NVMe M.2 2242
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
What Buyers Say
KingSpec 128GB SSD PCIe 3.0 x4 NVMe M.2 2242
Most users are satisfied with this SSD, especially for upgrades in Lenovo Legion Go, Raspberry Pi, and other mini PCs, citing good speed and value. However, a few critical reviews mention early failures and compatibility issues, which temper the overall positive sentiment.
Pros
- Good speed
- Great value for money
- Works well in Lenovo Legion Go
- Compatible with Raspberry Pi 5
- Good form factor (2242)
Cons
- Early failure risk
- Compatibility issues with some devices
- Runs hot under load
- Double-sided design may cause fit issues
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
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
Scores
Specifications
| KingSpec 128GB SSD | Western Digital Black SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2242 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 3 | 4★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | — | ✓★ |
| Controller | — | WD 20-82-20035-B1 |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | ||
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | — | ✗ |
| Hardware Encryption | — | ✗ |
Pros & Cons
KingSpec 128GB SSD PCIe 3.0 x4 NVMe M.2 2242
- Below average capacity (7th percentile)7th %ile
- Below average user sentiment (28th percentile)
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (95th percentile)95th %ile
- Strong social proof (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong capacity (93rd percentile)93rd %ile
Verdict
Scores 100 overall, wins 6 of 6 usage categories and 9 of 18 specs.