The WD Caviar Blue 250GB 7.2K 8MB IDE ATA 3.5'' is a reliable internal desktop drive. With a rotation speed of 7200 RPM and a cache size of 8MB, this HDD offers fast and efficient storage for your files and data. The sleek silver color and compact 3.5'' form factor make it a great addition to any desktop setup. Built by Western Digital, a trusted brand in the industry, this hard drive is sure to meet your needs with its 250GB capacity.