This Seagate Barracuda 7200.10 320GB ST3320613AS 3.5 HDD is a reliable internal desktop drive compatible with PCs. It has a storage capacity of 320GB and runs at a speed of 7200 RPM. The drive type supported is HDD and the interface is SATA I. The silver color adds to its sleek design. This hard disk drive is perfect for those looking for a high-quality storage solution.