SP Silicon Power

Silicon Power 256GB SSD 3D NAND A58 Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU256GBSS3A58A25CA)

Name: Silicon Power 256GB SSD 3D NAND A58 Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU256GBSS3A58A25CA)
Brand: SP Silicon Power
SKU: B07LG1422Y

Status: Silicon Power 256GB SSD 3D NAND A58 Performance… (256GB SATA): Unavailable on Amazon as of 2026-10-06 04:17 UTC. Closest in-stock match (same 256GB SATA): Silicon Power-256GB SSD 3D NAND A55 SLC Cache…, $77.01 on Amazon as of 2026-10-06 12:15 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $77.01 🛒 Search eBay for this model

Bottom line: The Silicon Power 256GB SSD 3D NAND A58 Performance Boost SATA III 2.5": 3D NAND with SLC Cache Technology for faster boot and sustained writes.

Unavailable on Amazon as of 2026-10-06 04:17 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 256GB SATA: Silicon Power-256GB SSD 3D NAND A55 SLC Cache… — $77.01 on Amazon as of 2026-10-06 12:15 UTC (price may vary).

View Current Price — $77.01

Same 256GB SATA: Inland Pro 256GB SSD 3D NAND SATA III 2.5" 7mm… — $56.99 on Amazon as of 2026-10-07 04:29 UTC (price may vary).

View Current Price — $56.99

Same 256GB SATA: Inland Platinum 256GB SSD SATA III 6Gb/s 2.5"… — $59.99 on Amazon as of 2026-10-06 22:26 UTC (price may vary).

View Current Price — $59.99

Original listing (currently unavailable) → Compare to similar ssds & storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ 3D NAND with SLC Cache Technology for faster boot and sustained writes
✓ 7mm slim body fits Ultrabooks and ultra-slim notebooks without spacers
✓ TRIM and Garbage Collection support keeps write speed from degrading over time
✓ ECC error correction plus RAID support built into the controller feature set

Cons

✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The Silicon Power A58 256GB SSD is a straightforward SATA III upgrade for any machine still booting off a mechanical hard drive. Built on 3D NAND flash with SLC Cache Technology, it targets faster boot times and snappier application loading while extending drive endurance over older planar NAND designs. The 2.5-inch, 7mm (0.28-inch) form factor drops into Ultrabooks, ultra-slim notebooks, and standard desktop drive bays without adapters or spacers. Silicon Power backs the A58 with support for TRIM, Garbage Collection, RAID, and ECC (Error Checking & Correction), so the drive keeps sustained…

SpecPicks Verdict

SpecPicks scored Silicon Power 256GB SSD 3D NAND A58 Performance Boost SATA III 2.5"… using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. SP Silicon Power's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Will this SSD fit in my laptop?

It uses the standard 2.5-inch form factor at 7mm (0.28 inches) thick, which Silicon Power specifies as suitable for Ultrabooks and ultra-slim notebooks. Confirm your laptop's bay accepts a 2.5-inch SATA drive; 9.5mm bays also fit a 7mm drive with the included or existing spacer.

Is 256GB enough storage for a Windows install?

256GB comfortably holds Windows plus everyday applications and a working document set. If you plan to store a large game library, video projects, or multiple virtual machines, treat this as a boot drive and pair it with secondary storage.

What warranty does the Silicon Power A58 come with?

Silicon Power lists a 3-year limited warranty. You need to register the product on the Silicon Power official website to receive the complete manufacturer warranty service and product support.

Does it work with RAID setups?

Yes. Silicon Power lists RAID support alongside TRIM, Garbage Collection, and ECC (Error Checking & Correction) in the drive's feature set, so it can be used in a RAID array on a compatible controller.

How does SLC Cache Technology affect performance?

The A58 uses an SLC cache layer on top of its 3D NAND to absorb incoming writes at higher speed, which Silicon Power credits for both the performance boost and a longer drive lifespan. Sustained transfers larger than the cache will run slower than short bursts.

Key Features

3D NAND flash are applied to deliver high transfer speeds
Remarkable transfer speeds that enable faster bootup and improved overall system performance. The advanced SLC Cache Technology allows performance boost and longer lifespan
7mm slim design suitable for Ultrabooks and Ultra-slim notebooks
Supports TRIM command, Garbage Collection technology, RAID, and ECC (Error Checking & Correction) to provide the optimized performance and enhanced reliability
3-year limited warranty. (Please register your product via SP official website to get the complete manufacturer warranty services, product support and more.)

Full Specifications

Brand	SP Silicon Power
Color	A58 2.5 - Up to 500MB/s
Model Name	SU256GBSS3A58A25CA
Read Speed	560 megabytes_per_second
Unit Count	1 Count
Form Factor	2.5-inch
Media Speed	6 GB per second
Model Number	SU256GBSS3A58A25CA
Hard-Drive Size	256 GB
Mfr Part Number	SP256GBSS3A58A25
Special Feature	Compact
Installation Type	Internal Hard Drive
Compatible Devices	Laptop
Data Transfer Rate	500 megabytes_per_second
Additional Features	Compact
Hard Disk Interface	Solid State
Customer Package Type	Standard Packaging
Hard Disk Description	Solid State Drive
Hard Disk Form Factor	2.5 inches
Hardware Connectivity	SATA 6.0 Gb/s

Ready to buy?

Amazon shows no buyable offer for Silicon Power 256GB SSD 3D NAND A58 Performance… at the last check. The closest in-stock match with the same 256GB SATA is Silicon Power-256GB SSD 3D NAND A55 SLC Cache…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $77.01