WD Blue Internal Hard Drive, 500GB, 3.5 Inch, SATA 6Gb/s, 7200 RPM, 32MB Cache

The WD Blue is a 500GB internal hard drive for desktop computers. It uses the standard 3.5-inch size and connects through a SATA 6Gb/s port. The drive spins at 7200 RPM and has 32MB of cache, with a data transfer rate of up to 150 MB/s. It is suited to storing the operating system, programs, documents, photos and videos. It uses Advanced Format technology and is rated for 300,000 load/unload cycles. The drive fits a standard 3.5-inch bay and connects with a SATA data cable and a SATA power cable from the power supply. It measures L 147 × W 101.6 × H 26.1 mm and weighs 450 g. Made in Thailand, with a 2-year limited warranty from Western Digital.