Maxtor One Touch II 300 GB USB 2.0 External Hard Drive (E01H300) Ideal storage for photos, music, editing video and creating high-end graphics Simple Maxtor user-interface for drive management, security and backup scheduling 7200 RPM, 16 MB cache buffer Dantz Retrospect Express software included USB 2.0 connectivity; Compatible with Windows 98SE, Me, 2000 Professional, or XP Home and XP Professional; Mac OS 9.1 or later, Mac OS X 10.1.2-10.1.5; 10.2.4-10.2.8; 10.3 or later