Seagate DB35 Series 7200.3 ST3320820SCE 320GB 7200 RPM 8MB Cache SATA2 3.5" Desktop Hard Drive - w/1 Year Warranty 320GB Capacity Rotation Speed: 7200RPM 8MB Buffer Size Interface: 3.5" SATA 3.0Gb/s Warranty: 1 Year Warranty from Reseller