The Seagate Exos X20 is a high-performance internal desktop drive designed for PC use. With a storage capacity of 20TB and a read speed of 285 MB/s, this SATA III hard drive offers fast and efficient data storage and retrieval. The 3.5-inch form factor and 7200 RPM rotation speed make it a reliable choice for demanding computing tasks. With a cache size of 256 MB and compatibility with PC systems, the Seagate Exos X20 is a powerful storage solution for businesses and individuals needing large capacity storage in a compact form factor.