WD6400AAKS-07A7B2 Western Digital Caviar Blue 640GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive

Experience reliable, high‑performance storage with the Western Digital Caviar Blue hard drive. Designed for everyday computing, this 3.5‑inch unit delivers smooth, uninterrupted data access and ample capacity for your files, photos, and applications. Its advanced spinning technology ensures fast, responsive performance, while the integrated cache and modern interface keep your system running quietly and efficiently. Whether you’re building a new desktop, upgrading an existing setup, or expanding your home media library, this drive offers the dependable storage you need for work and play. Trust Western Digital’s proven track record for durability and seamless integration into any PC build.