SSD drive Silicon Power SP256GBSS3A55M28 256 GB Half-slim SATA III, 560/530 MB/s, SLC

The A55 M.2 2280 SSD is an ultra-compact storage drive in M.2 2280 form factor (80 × 22 × 3.5 mm) designed for thin and light devices such as ultrabooks, tablets and mini PCs. It uses a SATA III 6 Gb/s interface and synchronous NAND flash to provide a practical storage upgrade for everyday computing and multitasking.

Advantages

The drive delivers strong sequential performance with up to 560 MB/s read and 530 MB/s write speeds and employs intelligent SLC caching to improve sustained write performance. It supports Intel Smart Response Technology (ISRT) for hybrid configurations with a hard drive and includes SP Toolbox software for health monitoring, performance tests and device information. Built-in ECC, wear leveling, bad block management and support for TRIM, NCQ and S.M.A.R.T. enhance reliability and system stability.

Key specifications

• Form factor: M.2 2280 (80 × 22 × 3.5 mm)
• Interface: SATA III 6 Gb/s
• NAND type: Synchronous NAND flash
• Sequential read speed: up to 560 MB/s
• Sequential write speed: up to 530 MB/s
• Cache technology: Intelligent SLC cache
• Software: SP Toolbox (free download)
• Supported features: TRIM, NCQ, S.M.A.R.T., ECC, wear leveling, bad block management

How to use

Install the A55 M.2 2280 into an available M.2 2280 slot on the motherboard, secure it with the mounting screw and configure the drive in BIOS/UEFI if necessary. For hybrid setups, enable Intel Smart Response Technology (ISRT) following the motherboard or system vendor instructions to pair the SSD with a hard drive. Download and run SP Toolbox to verify drive health, check temperature and perform performance tests after installation.

Recommendations

Use the A55 M.2 2280 as a boot or application drive in thin laptops, ultrabooks and mini PCs to improve system responsiveness. Keep firmware and SP Toolbox updated, and enable TRIM in the operating system for sustained performance and longevity.