New
Silicon Power Ace A55
Capacity 256GB
Form Factor 2.5"
Interface SATA III
Read Speed 460 MB/s
NAND TLC
33 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong social proof (80th percentile) 80th
Cons
- Below average speed (12th percentile)
- Below average capacity (17th percentile)
- Below average random (22nd percentile)
- Below average endurance (35th 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) | 460 |
| Sequential Write (MB/s) | 450 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| MTBF (hours) | 1500000 |
| Warranty (years) | 1 |
Features
| Heatsink | No |
vs Competition
| Spec | Silicon Power Ace A55 | Crucial T500 CT1000T500SSD5 | Samsung 990 EVO | Western Digital BLACK SN850X | SK Hynix Platinum P41 SHPP41-2000GM-2 | ADATA XPG BLADE SMAR-980B-1TCS |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 1TB | 2TB | 1TB | 2TB | 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 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Seq Read | 460 MB/s | 7,300 MB/s | 5,000 MB/s | 7,300 MB/s | 7,000 MB/s | 14,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | false | false | true | true |
| Endurance | - | 600 TBW | 1200 TBW | 600 TBW | 1200 TBW | 740 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof |
|---|---|---|---|---|---|---|
| Silicon Power Ace A55 | 11.6 | 21.9 | 52.9 | 17 | 34.7 | 79.6 |
| Crucial T500 CT1000T500SSD5 Compare | 90.7 | 96.2 | 99 | 54.7 | 82.9 | 95.6 |
| Samsung 990 EVO Compare | 71.3 | 89.8 | 78.4 | 78.2 | 82.9 | 99.6 |
| Western Digital BLACK SN850X Compare | 85.1 | 92.5 | 93.8 | 54.7 | 87.7 | 95.6 |
| SK Hynix Platinum P41 SHPP41-2000GM-2 Compare | 83 | 96.5 | 93.8 | 78.2 | 85.8 | 50.3 |
| ADATA XPG BLADE SMAR-980B-1TCS Compare | 96.8 | 98 | 97.5 | 54.7 | 81.6 | 0 |
Price
Value & Pricing
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.
