The Seagate 8TB Desktop Hard Drive Expansion Model SRD0NF2 is a high-capacity external hard drive designed for use with laptops, PCs, and Macs. With a rotation speed of 5400 RPM and a transfer rate of 300 Mbps, this drive offers fast and efficient data storage and retrieval. The drive is formatted with exFAT for writable use and features a USB 3.0 interface for connectivity. With a sleek black form factor and a 3.5-inch size, this Seagate expansion desktop drive is a reliable and convenient storage solution for expanding the capacity of your computer system.