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Silicon Power Ace A55 2TB SATA III 2.5"

★★★★☆ 4.2 (2,276)
Capacity 2TB
Form Factor 2.5"
Interface SATA III
Read Speed 500 MB/s
NAND TLC
Silicon Power Ace A55 2TB SATA III 2.5" ssd
45 Overall Score

No current retailer price

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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

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has cooled since launch
72/100Our AI sentiment readlow confidence · 8 sources · Nov 2026
1★2★3★4★5★Q3 '18: 5.0★ · 1 reviewQ1 '19: 5.0★ · 1 reviewQ2 '19: 5.0★ · 1 reviewQ3 '19: 5.0★ · 1 reviewQ4 '19: 5.0★ · 1 reviewQ2 '20: 5.0★ · 2 reviewsQ3 '20: 2.0★ · 1 reviewQ4 '22: 1.0★ · 1 reviewQ3 '23: 5.0★ · 1 reviewQ4 '23: 5.0★ · 1 reviewQ2 '24: 1.0★ · 1 reviewQ4 '24: 5.0★ · 2 reviewsQ3 '25: 5.0★ · 2 reviewsQ1 '26: 4.5★ · 8 reviews11111211111228Q3 '18Q2 '19Q4 '19Q3 '20Q3 '23Q2 '24Q3 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 24 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Speed 15.1
Random 22.4
Feature 53.8
Capacity 78.5
User Sentiment 29
Endurance 50.1
Social Proof 55.8
Affordability 37.8

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 Samsung 9100 PRO Western Digital Black SN850X Kingston FURY Renegade G5 SFYR2S/4T0 Crucial T500 Seagate FireCuda 530R
Capacity 2TB 4TB 4TB 4TB 2TB 4TB
Form Factor 2.5" M.2 2280 M.2 2280 M.2 2280 M.2 2280 M.2 2280
Interface SATA III PCIe 5.0 x4 PCIe 4.0 x4 PCIe 5.0 x4 PCIe 4.0 x4 PCIe 4.0 x4
Seq Read 500 MB/s 14,800 MB/s 7,300 MB/s 14,800 MB/s 7,400 MB/s 7,400 MB/s
Nand Type TLC TLC TLC TLC TLC TLC
Dram Cache false true true true true false
Endurance - 2400 TBW 2400 TBW 4000 TBW 1200 TBW 5050 TBW
Compare Compare Compare Compare Compare
Product SpeedRandomFeatureCapacityUser SentimentEnduranceSocial ProofAffordability
Silicon Power Ace A55 15.122.453.878.52950.155.837.8
Samsung 9100 PRO Compare 99.299.899.792.608699.65.1
Western Digital Black SN850X Compare 88.995.789.492.694.688.295.310.4
Kingston FURY Renegade G5 SFYR2S/4T0 Compare 99.498.990.892.62993.5876.3
Crucial T500 Compare 9496.99978.578.58395.319.6
Seagate FireCuda 530R Compare 92.996.853.892.664.995.777.36.6

Price

Value & Pricing

We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.

Usage Scores

Overall (45.4)Budget (70.5)Gaming (37.9)Laptop (48)Console (19.6)Portable (13.1)Workstation (41.7)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

Other Configurations3

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