The Western Digital Caviar hard disk drive comes with a 500 GB memory, providing you ample space to store data, documents, and other digital content like music, movies, and more. Equipped with WD GreenPower Technology, this hard disk drive is protected from overheating. It features a 7200 RPM spindle speed. This Western Digital hard disk drive is compatible with any PC and features a 3.5-inch form factor. The hard disk drive has a 16 MB cache for efficient performance.