Western Digital Caviar Blue 160GB 3.5-inch hard drive (part number WD1600AAJS-08B4A0) featuring 7200 RPM spindle speed, 8MB cache, and SATA 3Gb/s connectivity. Designed for desktop and entry-level server storage applications where sequential throughput and reliability are required. The Caviar Blue series is commonly deployed in general-purpose compute environments, archival systems, and mixed-workload storage arrays where performance demands are moderate. Compatible with standard SATA-based storage controllers and enclosures. Each unit has been tested and guaranteed; available via quote.