New
Silicon Power A55
Capacity 512GB
Form Factor 2.5"
Interface SATA III
Read Speed 500 MB/s
NAND TLC
47 Overall Score
Price $70
Snapshot
Pros & Cons
Pros
- Strong social proof (65th percentile) 65th
Cons
- Below average random (21st percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 512 |
| 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 |
Reliability
| Warranty (years) | 1 |
Features
| Heatsink | No |
vs Competition
| Spec | Silicon Power A55 | Crucial T500 | Western Digital WD Blue SN5100 | Lexar NM790 | Samsung 990 990 | Corsair MP700 Elite |
|---|---|---|---|---|---|---|
| Capacity | 512GB | 1TB | 1TB | 1TB | 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 | 7,100 MB/s | 7,400 MB/s | 7,150 MB/s | 10,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | false | false | false | false |
| Endurance | - | 600 TBW | 600 TBW | 1000 TBW | 400 TBW | 600 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Endurance | Social Proof |
|---|---|---|---|---|---|
| Silicon Power A55 | 37.4 | 20.8 | 53.4 | 41.1 | 65 |
| Crucial T500 Compare | 89.7 | 95.9 | 78.4 | 83.2 | 56.9 |
| Western Digital WD Blue SN5100 Compare | 85 | 94.4 | 78.4 | 81.3 | 96.3 |
| Lexar NM790 Compare | 87.9 | 91.5 | 53.4 | 93.2 | 96.3 |
| Samsung 990 990 Compare | 83.1 | 93.5 | 78.4 | 71.8 | 67.8 |
| Corsair MP700 Elite Compare | 94.4 | 60.1 | 71.9 | 94.1 | 96.3 |
Price
Value & Pricing
From $70
Best Buy 1 offer From $70
Amazon 3 offers From $100
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.
