The Seagate Barracuda 7200.10 320GB 3.5" SATA Hard Drive (ST3320620AS) is a high-performance internal desktop drive designed for PCs. With a rotation speed of 7200 RPM and a storage capacity of 320GB, this Seagate hard drive offers fast data transfer speeds and ample storage space for your files. The silver-colored drive is compatible with SATA II interfaces and has a cache size of 16MB, making it a reliable and efficient storage solution for your computer system. Ideal for those in need of a dependable and spacious hard drive for their desktop setup.