Silicon Power Ace A55 2TB SATA III 2.5"
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (79th percentile) 79th
Cons
- Below average speed (15th percentile)
- Below average random (22nd percentile)
- Below average user sentiment (29th 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.
Based on 24 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 2000 |
| 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
| MTBF (hours) | 1500000 |
| Warranty (years) | 3 |
Features
| Heatsink | No |
vs Competition
| Spec | Silicon Power Ace A55 | Western Digital Black SN850X | Samsung 990 PRO | Crucial T500 | Kingston Fury Renegade SFYRDK/2000G | Lexar Professional NM1090 PRO |
|---|---|---|---|---|---|---|
| Capacity | 2TB | 4TB | 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 4.0 x4 | PCIe 5.0 x4 |
| Seq Read | 500 MB/s | 7,300 MB/s | 7,450 MB/s | 7,400 MB/s | 7,300 MB/s | 14,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | false | true | true | true | true | true |
| Endurance | - | 2400 TBW | 1200 TBW | 1200 TBW | 2000 TBW | 1400 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | User Sentiment | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|---|
| Silicon Power Ace A55 | 15.1 | 22.4 | 53.8 | 78.5 | 29 | 50.1 | 55.8 | 37.8 |
| Western Digital Black SN850X Compare | 88.9 | 95.7 | 89.4 | 92.6 | 94.6 | 88.2 | 95.3 | 10.4 |
| Samsung 990 PRO Compare | 93.7 | 97.4 | 99 | 78.5 | 78.5 | 86 | 95.3 | 20.5 |
| Crucial T500 Compare | 94 | 96.9 | 99 | 78.5 | 78.5 | 83 | 95.3 | 19.6 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 93.3 | 94.5 | 93.9 | 78.5 | 66.5 | 94 | 95.3 | 16.1 |
| Lexar Professional NM1090 PRO Compare | 98.1 | 98.5 | 97.6 | 78.5 | 0 | 91.1 | 51.8 | 24.1 |
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.