KingSpec ONEBOOM X400
KingSpec
72 Overall Score
vs
Samsung 990 PRO
Samsung
96 Overall Score
What Buyers Say
KingSpec ONEBOOM X400
No customer feedback yet
Samsung 990 PRO
88 out of 100 low confidence 5 reviews
Users are highly satisfied with this SSD, praising its exceptional speed and reliable performance for gaming and photo editing. One user noted thermal concerns during heavy gaming, reaching 62°C without a heatsink, but overall sentiment remains very positive. The drive is easy to install and has proven durable over a year of use.
Pros
- Blazing fast speeds
- Easy installation
- Reliable performance
- Good value for refurbished price
Cons
- Thermal concerns under heavy load
- No heatsink included
Speed 5
Reliability 3
Ease of installation 2
Value for money 1
Thermal performance 1
Scores
Laptop
Budget
Workstation
Gaming
Console
Portable
Specifications
| KingSpec ONEBOOM X400 | Samsung 990 PRO | |
|---|---|---|
| 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 | ✓ | ✓ |
| Controller | — | Samsung |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓ | ✓ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
KingSpec ONEBOOM X400
- Strong feature (94th percentile)94th %ile
- Strong speed (90th percentile)90th %ile
- Strong random (88th percentile)88th %ile
- Strong endurance (80th percentile)80th %ile
Samsung 990 PRO
- Strong random (97th percentile)97th %ile
- Strong feature (94th percentile)94th %ile
- Strong speed (93rd percentile)93rd %ile
- Strong social proof (89th percentile)89th %ile
Pricing
KingSpec ONEBOOM X4000.424score per dollar
vs
Samsung 990 PRO0.260score per dollar
KingSpec ONEBOOM X400 offers 1.6x better value for money
Verdict
Winner: Samsung 990 PRO
Scores 96 overall, wins 6 of 6 usage categories and 9 of 18 specs.
