The Western Digital Caviar Blue 320GB Internal 7200RPM 3.5" HDD (WD3200KSRTL) is a high-performance desktop drive designed for PC compatibility. With a rotation speed of 7200 RPM and a storage capacity of 320GB, this HDD offers fast read speeds of up to 500MB/s and a transfer rate of 300 Mbps. It features a 3.5-inch form factor, making it suitable for easy installation in desktop systems. Additionally, the drive supports hot swap functionality and comes with a 1-year manufacturer warranty, ensuring reliability and peace of mind for your storage needs.