The Western Digital Caviar Black WD6402AAEX-00Z3A0 is a 640GB 3.5-inch hard drive designed for high-performance desktop and workstation environments. It features a 7200 RPM spindle speed, SATA 6Gb/s (SATA III) interface, and 64MB cache buffer, delivering sustained transfer rates suitable for demanding I/O workloads. The drive is compatible with standard server and storage enclosures supporting 3.5-inch form factor HDDs and SATA connectivity. Typical applications include primary storage in performance-oriented workstations, secondary drive expansion in small-to-medium servers, archival systems, and test/development environments where capacity and speed balance is prioritized over enterprise-class redundancy features. Not recommended for 24/7 continuous operation or RAID deployments requiring enterprise-grade reliability specifications.
Tested and guaranteed—available via quote.
