ADATA SU650 256GB SATA III 2.5"
Snapshot
Pros & Cons
Pros
Cons
- Below average speed (17th percentile)
- Below average capacity (18th percentile)
- Below average random (22nd percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 256 |
| Form Factor | 2.5" |
| Interface | SATA III |
| Protocol | SATA |
| External | No |
Performance
| Sequential Read (MB/s) | 520 |
| Sequential Write (MB/s) | 450 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| MTBF (hours) | 2000000 |
| Warranty (years) | 3 |
vs Competition
| Spec | ADATA SU650 | Samsung 990 PRO | Crucial T500 | Western Digital WD_BLACK SN7100 | SanDisk WD_BLACK WDS200T1X0M | Lexar Professional NM1090 PRO |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 2TB | 2TB | 2TB | 2TB | 2TB |
| 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 5.0 x4 | PCIe 5.0 x4 |
| Seq Read | 520 MB/s | 7,450 MB/s | 7,400 MB/s | 7,250 MB/s | 14,900 MB/s | 14,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | false | true | true |
| Endurance | - | 1200 TBW | 1200 TBW | 1200 TBW | 1200 TBW | 1400 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance |
|---|---|---|---|---|---|
| ADATA SU650 | 17 | 22.2 | 53.3 | 17.5 | 51 |
| Samsung 990 PRO Compare | 93.4 | 97 | 98.9 | 78.3 | 85.8 |
| Crucial T500 Compare | 93.8 | 96.5 | 98.9 | 78.3 | 82.7 |
| Western Digital WD_BLACK SN7100 Compare | 91.4 | 95.9 | 53.3 | 78.3 | 87.9 |
| SanDisk WD_BLACK WDS200T1X0M Compare | 99.6 | 99.4 | 97.3 | 78.3 | 80.6 |
| Lexar Professional NM1090 PRO Compare | 97.9 | 98.2 | 97.3 | 78.3 | 90.9 |
Price
Value & Pricing
Amazon 1 offer From $137
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.