Silicon Power Ace A55 SP128GBSS3A55S25 128GB 2.5" SATA III Internal SSD 3D NAND up to 460MB/s 7mm Desktop
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Silicon Power
Silicon Power Ace A55 SP128GBSS3A55S25 128GB 2.5" SATA III Internal SSD 3D NAND up to 460MB/s 7mm Desktop
€46.51 inc. VAT
SP128GBSS3A55S25
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Silicon Power Ace A55 128GB Internal SSD
128GB2.5" SATA III 6Gb/sUp to 460MB/s3D NAND + SLC cache
The Silicon Power Ace A55 128GB, part number SP128GBSS3A55S25, is a budget internal 2.5-inch SATA III solid state drive with reads up to 460MB/s, ideal as a low-cost boot or OS drive to bring SSD speed to an older desktop or laptop. It uses 3D NAND flash with SLC caching for responsive everyday performance.
With sequential reads up to 460MB/s and writes up to 360MB/s, the Ace A55 makes boot, application loading and general use far quicker than a mechanical hard drive. Carrying EAN 4712702659108 and MPN SP128GBSS3A55S25, it fits any device with a 2.5-inch SATA bay and includes data-protecting features such as ECC and shock resistance. Typically in stock with fast delivery across Cyprus.
Compatibility note
The Ace A55 is a standard 2.5-inch 7mm SATA III drive that fits virtually all laptops and desktops with a SATA bay, and is backward compatible with SATA 3Gb/s. It is not an M.2 or NVMe drive and will not fit M.2 slots. At 128GB it is best suited as a boot/OS drive; it is a value-focused design without hardware encryption.
Best For
✓ A low-cost boot or OS drive
✓ Reviving an older laptop or desktop
✓ Replacing a slow hard drive on a budget
✓ Light everyday computing and web use
✓ Thin clients and basic office PCs
✓ Quiet, shock-resistant storage with no moving parts
Key Features
SLC caching for responsiveness
An SLC cache combined with 3D NAND boosts peak performance for everyday tasks, keeping a light system feeling quick.
Speeds up to 460MB/s
The SATA III 6Gb/s interface delivers reads up to 460MB/s and writes up to 360MB/s, far quicker than a mechanical hard drive for boot and loading.
Tough and shock-resistant
With no moving parts and 1500G shock resistance, the Ace A55 shrugs off bumps and drops that would threaten a hard drive, running cool and silent.
Data protection built in
ECC error correction, bad block management and S.M.A.R.T. monitoring help protect your data and maintain performance over time.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
At 128GB the Silicon Power Ace A55 is one of the cheapest ways to give an old PC a new lease of life as a fast boot drive, instantly transforming responsiveness versus a hard drive. It is best paired with a second storage drive or used in light, single-purpose systems, since 128GB fills quickly. If you want more space and headroom, the 256GB or larger Ace A55 (or a Transcend SSD230S) is only a little more, and if your system has an M.2 slot an NVMe drive will be far faster. Compare options across our internal SSDs.
Buyer's Guide
Buy it if
You want the cheapest way to add SSD speed as a boot/OS drive for an older laptop or desktop, or a light single-purpose 2.5-inch SATA system.
Skip it if
You need real storage space (choose 256GB+), want higher speed or a longer warranty, or your device has an M.2 NVMe slot where NVMe is far faster.
Also consider
Ace A55 256GB/512GB/1TB for more space, the Transcend SSD230S for a faster 5-year-warranty drive, or the Kingston NV3 NVMe for M.2 systems.
Features - Silicon Power - SP128GBSS3A55S25
Form Factor
- 2.5",
- Internal
Interface
- SATA
More Details
Product Code
04:243567
EAN Code
4712702659108
Manufacturer
Silicon Power
Technical specifications
Capacity
128GB