The Western Digital Caviar Blue Hard Drive is a leader in the race for the peak of desktop drives. Its 640 GB runs at 7200 RPM, and its breakthrough 16MB cache makes this hard drive great for high-performance home and business computing. It can handle data-intensive and high-end multimedia applications. Reviews show that this hard drive can keep cool and quiet while operating.

This hard drive incorporates WD’s Data Lifeguard, an exclusive set of data protection features, including shock protection, environmental protection, real-time embedded error detection and repair. Its mechanism ensures automatic discovery, isolation, and repair of problems which may develop in a hard drive.