Maxtor B01D300 One Touch 300 GB External USB 2.0/FireWire Hard Drive 300 GB storage capacity 5,400 RPM FireWire and USB 2.0 interface 2 MB buffer Compatible with Windows 98SE, Me, 2000 Professional, XP, or Mac OS 9.1 or later, Mac OS X 10.1.2-10.1.5; 10.2.4 or later