KingSpec 128GB SSD PCIe 3.0 x4 NVMe M.2 2242
KingSpec
42 Overall Score
vs
Western Digital Black SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
100 Overall Score
What Buyers Say
KingSpec 128GB SSD PCIe 3.0 x4 NVMe M.2 2242
72 out of 100 low confidence 9 reviews
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
Performance 5
Value for money 4
Compatibility 4
Reliability 3
Heat 2
Form factor 2
Western Digital Black SN850X 4TB 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 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
Speed 6
Value for money 4
Reliability 4
Ps5 compatibility 3
Firmware concerns 2
Installation 2
Scores
Laptop
Workstation
Gaming
Console
Budget
Portable
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
- Strong affordability (94th percentile)94th %ile
- Below average capacity (7th percentile)7th %ile
- Below average user sentiment (29th 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
- Below average affordability (11th percentile)11th %ile
Verdict
Winner: Western Digital Black SN850X
Scores 100 overall, wins 6 of 6 usage categories and 9 of 18 specs.