Kingston A400 240GB SATA III 2.5"
Kingston
38 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
What Buyers Say
Kingston A400 240GB SATA III 2.5"
82 out of 100 low confidence 5 reviews
Customers are very satisfied with this SSD, praising its easy installation, good price, and significant performance improvement over old hard drives. The store staff is also highlighted as friendly and helpful, with one user noting the drive revived multiple old computers. A minor caveat is that it's not the fastest SSD, but it's considered a great value for a basic OS drive.
Pros
- Easy installation
- Good price
- Significant performance improvement
- Friendly and helpful staff
- Revives old computers
Cons
- Not the fastest SSD
- Not close to fastest SSD
Ease of installation 1
Value for money 3
Performance improvement 2
Customer service 3
Compatibility 1
Speed 1
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Kingston A400 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | 2.5" | M.2 2280 |
| Interface | SATA III | PCIe 4.0 x4 |
| Protocol | SATA | NVMe |
| PCIe Generation | — | 4★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✓★ |
| Controller | Marvell 88SS1074 | — |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | — | 3★ |
| Features | ||
| Heatsink | — | ✓★ |
| Hardware Encryption | ✗ | — |
Pros & Cons
Kingston A400 240GB SATA III 2.5"
- Strong social proof (95th percentile)95th %ile
- Strong affordability (85th percentile)85th %ile
- Below average capacity (11th percentile)11th %ile
- Below average speed (12th percentile)12th %ile
- Below average random (23rd percentile)
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 11 of 18 specs.