The Seagate Exos X20 is a high-performance internal hard drive designed for desktop use. With a rotation speed of 7200 RPM and a storage capacity of 20TB, this SATA III drive offers fast read speeds of up to 285MB/s. The 3.5-inch form factor and HDD storage format make it compatible with PC systems. Equipped with 256 MB of cache, this Seagate Exos X20 model is ideal for large-scale storage needs, providing reliable performance for demanding computing tasks.