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Silicon Power A55 256GB SATA III 2.5"

★★★★☆ 4.3 (9,604)
Capacity 256GB
Form Factor 2.5"
Interface SATA III
NAND TLC
Silicon Power A55 256GB SATA III 2.5" ssd
23 Overall Score

No current retailer price

Also available in:

Snapshot

Pros & Cons

Pros

  • Strong affordability (78th percentile) 78th

Cons

  • Below average speed (7th percentile)
  • Below average endurance (15th percentile)
  • Below average capacity (17th percentile)
  • Below average random (22nd 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 held steady over time
1★2★3★4★5★Q1 '19: 5.0★ · 1 reviewQ3 '22: 4.5★ · 2 reviewsQ1 '23: 1.0★ · 1 reviewQ3 '23: 2.0★ · 1 reviewQ2 '24: 1.0★ · 1 reviewQ2 '25: 5.0★ · 1 reviewQ4 '25: 5.0★ · 1 reviewQ1 '26: 5.0★ · 1 review12111111Q1 '19Q3 '22Q1 '23Q3 '23Q2 '24Q2 '25Q4 '25Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 9 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Speed 7.3
Random 22.3
Feature 53.7
Capacity 17.4
Endurance 14.7
Social Proof 58.2
Affordability 78.2

Specifications

Full Specifications

Drive

Capacity 256
Form Factor 2.5"
Interface SATA III
Protocol SATA
External No

Hardware

NAND TLC
DRAM Cache No

Features

Heatsink No

vs Competition

Spec Silicon Power A55 Samsung 9100 PRO Western Digital Black SN850X Kingston FURY Renegade G5 SFYR2S/4T0 Crucial T500 SanDisk WD_BLACK WDS800T2XHE
Capacity 256GB 4TB 4TB 4TB 2TB 8TB
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 PCIe 4.0 x4 PCIe 4.0
Seq Read - 14,800 MB/s 7,300 MB/s 14,800 MB/s 7,400 MB/s 7,200 MB/s
Nand Type TLC TLC TLC TLC TLC TLC
Dram Cache false true true true true true
Endurance - 2400 TBW 2400 TBW 4000 TBW 1200 TBW 4800 TBW
Compare Compare Compare Compare Compare
Product SpeedRandomFeatureCapacityEnduranceSocial ProofAffordability
Silicon Power A55 7.322.353.717.414.758.278.2
Samsung 9100 PRO Compare 99.199.899.792.585.999.55.3
Western Digital Black SN850X Compare 88.595.28992.5889510.7
Kingston FURY Renegade G5 SFYR2S/4T0 Compare 99.498.790.592.593.486.86.5
Crucial T500 Compare 93.896.598.978.482.99519.9
SanDisk WD_BLACK WDS800T2XHE Compare 87.19693.698.188953.9

Usage Scores

Overall (23)Budget (63.9)Gaming (14.1)Laptop (24.1)Console (7.1)Portable (5.4)Workstation (17.7)

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

Other Configurations6

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