Upgrade your PC or laptop with fast, reliable storage. The Attech AT422 256GB SSD offers a high-speed, high-efficiency solution for everyday computing. Designed in the standard 2.5" SATA III form factor, it delivers read speeds up to 550MB/s and write speeds up to 500MB/s, dramatically improving boot times, application loading, and system responsiveness. Boost Performance & Productivity The AT422 is engineered with top-tier components to ensure stability and speed, making it ideal for multitasking, everyday computing, and faster system startups. Whether you're working from home, editing media, or just browsing, enjoy a smoother digital experience. Storage That Grows With You With capacities ranging from 128GB to 2TB, the AT422 gives you room to store all your important files, videos, music, and documents — whether for personal use, remote work, or study.