The Seagate Barracuda ST3160815AS 3.5" 160GB internal HDD is a high-performance desktop drive designed for use with both PC and Mac computers.With a rotation speed of 7200RPM and a storage capacity of 160GB, this silver drive offers read speeds of up to 500MB/s and a transfer rate of 3.0 Gbs.It features a low noise level, is RoHS compliant, and is rugged for durability. This drive is ideal for users looking for a reliable and efficient storage solution for their desktop computer.