The Commodore 1541 (also known as the CBM 1541 and VIC-1541) is a floppy disk drive created by Commodore International for the Commodore 64 (C64), Commodore's most popular home computer. The most famous floppy disk drive for the C64, the 1541 is a single sided 170 kilobyte drive for 5¼ "floppies.