The Seagate Barracuda 7200.12 160GB Hard Disk Drive HDD 3.5 ST3160318AS is a silver internal desktop drive compatible with PC and Mac systems. With a rotation speed of 7200 RPM and a cache size of 8 MB, this HDD offers fast read speeds of up to 500MB/s and a transfer rate of 300 Mbps. This Seagate model, part of the Barracuda product line, provides 160GB of storage capacity and is compatible with SATA III, SATA II, and SATA I interfaces. Made in Thailand, this removable drive is a reliable storage solution for desktop computers.