New On sale 9%
Kingston A400
Capacity 240GB
Form Factor 2.5"
Interface SATA III
Read Speed 500 MB/s
NAND TLC
Endurance 100 TBW
40 Overall Score
Price $74
Snapshot
Pros & Cons
Pros
- Strong social proof (97th percentile) 97th
Cons
- Below average capacity (11th percentile)
- Below average speed (14th percentile)
- Below average random (21st percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
82/100Our AI sentiment read
Based on 18 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 240 |
| Form Factor | 2.5" |
| Interface | SATA III |
| Protocol | SATA |
| External | No |
Performance
| Sequential Read (MB/s) | 500 |
| Sequential Write (MB/s) | 450 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
| Controller | Marvell 88SS1074 |
Reliability
| Endurance (TBW) | 100 |
| MTBF (hours) | 1000000 |
Features
| Hardware Encryption | No |
vs Competition
| Spec | Kingston A400 | Crucial T500 | Western Digital Black SN850X | SK Hynix Platinum P41 | Samsung 990 Pro | Corsair MP700 Elite |
|---|---|---|---|---|---|---|
| Capacity | 240GB | 1TB | 1TB | 2TB | 1TB | 1TB |
| Form Factor | 2.5" | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Seq Read | 500 MB/s | 7,300 MB/s | 7,300 MB/s | 7,000 MB/s | 7,450 MB/s | 10,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | true | true | false |
| Endurance | 100 TBW | 600 TBW | 600 TBW | 1200 TBW | 600 TBW | 600 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Social Proof |
|---|---|---|---|---|---|---|---|
| Kingston A400 | 13.8 | 21 | 53.1 | 10.5 | 56.2 | 61.5 | 96.6 |
| Crucial T500 Compare | 90.2 | 95.9 | 98.9 | 54.6 | 94.3 | 83 | 96.6 |
| Western Digital Black SN850X Compare | 84.2 | 91.9 | 93.6 | 54.6 | 0 | 88 | 96.6 |
| SK Hynix Platinum P41 Compare | 82 | 96.3 | 93.6 | 78.5 | 0 | 86 | 58.8 |
| Samsung 990 Pro Compare | 93.1 | 96.5 | 98.9 | 54.6 | 0 | 86 | 38.7 |
| Corsair MP700 Elite Compare | 94.6 | 96.3 | 85.2 | 54.6 | 77.6 | 87.4 | 36.4 |
Price
Value & Pricing
From $74
Amazon 1 offer From $74
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
