Seagate ST3320820AS 320GB 7200RPM 3.5" SATA Desktop Drive Increase the storage capacity of your Desktop with the 320GB, 7200RPM SATA hard drive from Seagate. Featuring SATA interface, this drive offers a high rotational speed, this drive provides fast disk access. Specifications Manufacturer: Seagate Model Number: ST3320820AS Product Type: Desktop Hard Drive Capacity: 320GB Rotational Speed: 7200RPM Form Factor: 3.5 Inch Interface: SATA Warranty: 1-Year Shipping: Free (2-3 days USA)