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Silver rectangular 2.5 inch SSD with label showing Ace A55 2TB

Silicon Power

Silicon Power Ace A55 2.5" 2TB SATA III internal SSD SP002TBSS3A55S25

SKU CH-XXHR-7RDGD MPN SP002TBSS3A55S25

A 2.5-inch SATA internal SSD with 2TB of 3D TLC storage delivering up to 560 MB/s reads and 530 MB/s writes

  • Total capacity2 TB
  • Sequential read speedATTO: up tp 560 MB/s CDM: up to 500 MB/s
  • Sequential write speedATTO: up tp 530 MB/s CDM: up to 450 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • Product typeInternal Solid State Drive (SSD)
  • Faster boot and app loads with sequential read up to 560 MB/s
  • Sustained write performance up to 530 MB/s via SLC cache technology
  • 2 TB capacity stores large libraries without deleting files
  • 7 mm slim 2.5 inch form factor fits ultrabooks and laptops
  • 1500G shock and 20G vibration resistance protects data on the move

2TB SATA upgrade for tired PCs

This 2.5 inch internal SSD brings 2TB of 3D TLC storage to any laptop or desktop with a SATA III port. The 7.00mm height fits ultrabooks and standard drive bays alike. Sequential reads reach up to 560 MB/s in ATTO and up to 500 MB/s in CDM, while writes hit up to 530 MB/s and 450 MB/s respectively. It is built for everyday consumer workloads.

Silent operation with no moving parts

Solid-state design means zero noise and no mechanical vibration sensitivity beyond the rated 20G. Power draw stays low because there is no spindle motor, helping battery life in portable systems. The drive weighs 63.00g and measures 69.85mm by 100.00mm. MTBF is rated at 1500000 hours for long-term reliability.

SP Toolbox software monitors health

The free downloadable utility reports S.M.A.R.T. attributes so you can track drive condition over time. Firmware-level features include TRIM, garbage collection, ECC and bad-block management to sustain performance and data integrity. SLC cache technology accelerates burst writes while the DRAM cache buffer improves sustained throughput.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $164.99
Cheaper than about 54% of the 1,994 comparable items (median $180.49).
Total capacity 2 TB
Higher than about 70% of the 1,368 comparable items (median 1 TB).
Sequential read speed ATTO: up tp 560 MB/s CDM: up to 500 MB/s
Lower than about 60% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $82.50 per TB
Cheaper than about 91% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameSilicon Power
Product lineAce A55
Model nameSP002TBSS3A55S25
Total capacity2 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedATTO: up tp 560 MB/s
CDM: up to 500 MB/s
Sequential write speedATTO: up tp 530 MB/s
CDM: up to 450 MB/s
Storage
NAND flash type3D TLC
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)
Overall height7 mm
Overall width69.85 mm
Product depth100 mm
Product weight63g
Shipping weight0.07 kg
Package size347 × 133 × 3 mm
Environment & compliance
Max shock tolerance1500G
Vibration tolerance20G
More details
Mean time between failures1,500,000 h

Questions about this item

Will this 2.5 inch drive fit in my ultrabook that only has space for a 7mm drive?

Yes, the drive is 7.00mm thick and designed for ultra-slim laptops and ultrabooks.

What speed improvement can I expect over my old 5400 RPM hard drive?

The manufacturer states it is 15x faster than a standard 5400 RPM HDD with a SATA III 6Gb/s interface.

Does the drive include any software to monitor its health or manage data?

Silicon Power provides the free SP Toolbox software for monitoring SSD health and status.

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