The WD Caviar Black WD6401AALS (640GB, 7200 RPM, SATA II) is a 3.5-inch desktop hard drive designed for high-performance computing environments. It features a 3Gb/s SATA interface, 32MB cache, and 7200 RPM spindle speed, delivering sustained throughput suitable for workstations, NAS arrays, and performance-oriented storage builds. The drive supports standard SATA connectivity and is compatible with any system accepting 3.5-inch form-factor HDDs. Typical applications include archival storage, backup repositories, and secondary storage expansion where capacity and reliability matter more than enterprise-class features. Part No. WD6401AALS-00E3A0.
This unit has been tested and guaranteed, and is available via quote from G5 Network Group.
