WD6400AAKS-22A7B2 Western Digital Caviar Blue 640GB 7200RPM SATA 3Gb/s 16MB Cache 3.5-inch Hard Drive

Experience dependable, high‑speed storage with the Western Digital Caviar Blue internal hard drive, engineered for everyday computing and demanding workloads alike. Built on a standard desktop platform, this unit delivers seamless data access and smooth multitasking, thanks to its advanced spinning technology and generous cache. Whether you’re upgrading a desktop, expanding a media library, or backing up critical files, the Caviar Blue offers quiet operation and long‑term reliability that Western Digital is renowned for. Its SATA interface ensures easy installation and compatibility with a wide range of systems, making it the ideal choice for users who need capacity, performance, and peace of mind in one package.