Pre-Owned. Upgrade your desktop computer with the Seagate Barracuda 500GB ST500DM002 3.5 hard drive. This internal desktop drive is compatible with both PC and Mac and features a SATA III and SATA I interface. With a 7200 RPM rotation speed and 64 MB cache, this HDD provides reliable storage for all your files and data. The Barracuda product line from Seagate is known for its high-quality and durability, making it a great choice for anyone in need of a reliable desktop hard drive.