The Western Digital Ultrastar DC HC560 is a high-performance internal desktop drive with a rotation speed of 7200 RPM and a storage capacity of 20TB. It features a SAS-3 interface and a cache size of 512MB, making it suitable for PC use. This drive is equipped with secure encryption technology for added security, and belongs to the Ultrastar product line known for its reliability and efficiency. With a read speed of 277MB/s, this HDD is ideal for storing large amounts of data in a secure and efficient manner.