Imation USB 3.0 Apollo Expert M300 Portable Hard Drive 1TB The Apollo Expert M300's brushed silver casing provides a stylish look and feel for professionals on the move. ArcSoft Total Media Backup makes scheduling your backup and restore as simple and automated as you want it to be. 4GB of free cloud storage from ArcSoft Cloud to save all your important files. 2.5" Hard Disk System Compatibility Microsoft Windows XP, Windows Vista, Windows 7, Mac OSX 10.5, 10.6 and 10.7