WD6400AAJS-00A8B2 Western Digital Caviar Blue 640GB 7200RPM SATA 3Gb/s 8MB Cache 3.5-inch Hard Drive

The Western Digital Caviar Blue 3.5‑inch hard drive delivers reliable performance for everyday computing, offering a smooth and responsive experience for both home and office environments. Designed with a quiet operation and energy‑efficient motor, it keeps your system running cool while delivering the storage capacity you need for documents, photos, and media collections. Its robust build and proven durability make it an ideal choice for users who demand dependable storage without compromising on speed or reliability. Whether you’re upgrading a desktop or building a new workstation, this drive provides the dependable foundation you can trust.