Smartdisk USB Floppy Drive - Titan, USB, Windows 98/98SE/Me/2000/XP Mac OS 8.6 - 9.x Mac OS X 10.1+, 1 discs, 1.44 MB Smartdisk USB Floppy Drive - Titan. Interface: USB, Compatible operating systems: Windows 98/98SE/Me/2000/XP Mac OS 8.6 - 9.x Mac OS X 10.1+. Number of discs: 1 discs. Diskette drive memory: 1.44 MB