New Price drop 4%
Silicon Power A55 128GB SATA III 2.5"
Capacity 128GB
Form Factor 2.5"
Interface SATA III
Read Speed 550 MB/s
NAND TLC
33 Overall Score
Price $32
Snapshot
Pros & Cons
Pros
- Strong social proof (79th percentile) 79th
Cons
- Below average capacity (7th percentile)
- Below average speed (22nd percentile)
- Below average random (22nd percentile)
- Below average endurance (33rd percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 128 |
| Form Factor | 2.5" |
| Interface | SATA III |
| Protocol | SATA |
| External | No |
Performance
| Sequential Read (MB/s) | 550 |
| Sequential Write (MB/s) | 450 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Warranty (years) | 1 |
Features
| Heatsink | No |
vs Competition
| Spec | Silicon Power A55 | ADATA LEGEND 700 ALEG-700-256GCS | fanxiang S501 | Team Group MP33 | Inland TN320 | Patriot P300 P300P256GM28 |
|---|---|---|---|---|---|---|
| Capacity | 128GB | 256GB | 256GB | 256GB | 256GB | 256GB |
| Form Factor | 2.5" | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 3.0 x4 | PCIe 3.0 x4 | PCIe 3.0 x4 | PCIe 3.0 x4 | PCIe 3.0 x4 |
| Seq Read | 550 MB/s | 1,900 MB/s | 2,100 MB/s | 1,600 MB/s | 2,000 MB/s | 1,700 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | - |
| Dram Cache | false | false | false | false | - | false |
| Endurance | - | 80 TBW | 200 TBW | 65 TBW | 1200 TBW | 80 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof |
|---|---|---|---|---|---|---|
| Silicon Power A55 | 21.8 | 22.1 | 52.9 | 7 | 33.2 | 78.9 |
| ADATA LEGEND 700 ALEG-700-256GCS Compare | 46.9 | 78.7 | 87.2 | 17.5 | 68.4 | 0 |
| fanxiang S501 Compare | 49.6 | 61.3 | 78.5 | 17.5 | 83.5 | 63.6 |
| Team Group MP33 Compare | 44 | 77.8 | 52.9 | 17.5 | 72.3 | 69.8 |
| Inland TN320 Compare | 46.9 | 61.3 | 52.9 | 17.5 | 99 | 57.8 |
| Patriot P300 P300P256GM28 Compare | 44.4 | 82.7 | 14.1 | 17.5 | 66.8 | 78.9 |
Price
Value & Pricing
From $32
Amazon 2 offers From $32
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.
