SP Silicon Power

Silicon Power-512GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive Black

Name: Silicon Power-512GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive Black
Brand: SP Silicon Power
SKU: B079JW4ZB8
Price: 103.67 USD
Availability: InStock

By SpecPicks Editorial · Verified 2026-08-26

$103.67

Buy on Amazon — $103.67 Compare to similar ssds & storage

*Price sourced from Amazon.com. Last updated 2026-08-26. Price and availability subject to change.

Bottom line: The Silicon Power-512GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive Black is a niche pick — read recent reviews before buying in the ssds & storage category, priced around $103.67. Read recent reviews carefully before committing.

The Silicon Power A55 512GB is a SATA III 2.5-inch internal SSD aimed at anyone replacing an aging mechanical drive or adding cheap, quiet storage to a desktop or laptop. It pairs 3D TLC NAND with an SLC cache layer, which lets short bursts of writes land at cache speed before folding down to the main array. Silicon Power rates the drive at up to 560MB/s read and 530MB/s write over the SATA III 6Gb/s interface, and describes it as roughly 15 times faster than a standard 5400 RPM hard disk. The 7mm (0.28 inch) 2.5-inch body is the standard thickness most notebook drive bays and desktop…

SpecPicks Verdict

SpecPicks classifies Silicon Power-512GB SSD 3D NAND A55 SLC Cache Performance Boost SATA… as a niche pick — read recent reviews before buying in the ssds & storage category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. SP Silicon Power's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ 15 x faster than a standard 5400 HDD with SATA III 6GB/s interface;
✓ Backed by SP Silicon Power's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Improving overall performance: TLC 3D NAND flash and "SLC Cache technology" optimising the overall performance;
15 x faster than a standard 5400 HDD with SATA III 6GB/s interface;
Low power consumption, shock and vibration-proof, noiseless and low latency

Full Specifications

Brand	SP Silicon Power
Color	Black
Model Name	A55
Read Speed	560 megabytes_per_second
Form Factor	7 mm
Media Speed	530 Mb/s
Model Number	SP512GBSS3A55S25
Built-In Media	Camera Body
Hard-Drive Size	512 GB
Mfr Part Number	SP512GBSS3A55S25
Number of Items	1
Special Feature	Shock Resistant
Vibration/Rumble	Yes
Hardware Platform	standard

Ready to buy?

Silicon Power-512GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-08-26. Price and availability subject to change.