New
Silicon Power Ace A55 2TB SATA III 2.5"
Capacity 2TB
Form Factor 2.5"
Interface SATA III
Read Speed 500 MB/s
NAND TLC
45 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong capacity (78th percentile) 78th
Cons
- Below average speed (15th percentile)
- Below average random (22nd percentile)
- Below average user sentiment (28th 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.
Owner sentiment has held steady over time
72/100Our AI sentiment read
Based on 17 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 |
|---|---|---|---|---|---|---|---|
| Silicon Power Ace A55 | 14.9 | 22.2 | 53.3 | 78.3 | 28.2 | 49.8 | 56.3 |
| Western Digital Black SN850X Compare | 88.4 | 95.2 | 88.9 | 92.5 | 94.5 | 87.9 | 95.2 |
| Samsung 990 PRO Compare | 93.4 | 97 | 98.9 | 78.3 | 78.4 | 85.8 | 95.2 |
| Crucial T500 Compare | 93.8 | 96.5 | 98.9 | 78.3 | 78.4 | 82.7 | 95.2 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.9 | 94 | 93.5 | 78.3 | 66.2 | 93.9 | 95.2 |
| Lexar Professional NM1090 PRO Compare | 97.9 | 98.2 | 97.3 | 78.3 | 0 | 90.9 | 52.4 |
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.
