In addition to the higher storage capacity, the FD series also provided additional features not found on the Commodore 1581. A "SWAP" button on the front panel allowed the drive number to be easily switched with that of another Commodore drive on the serial bus, without the need to enter any commands into the computer. It also provided a "1541 emulation mode", allowing partitions on a 3½" disk to simulate the behavior of a 5¼" Commodore 1541 floppy.
In addition to its increased storage, the FD series also included extra capabilities not available on the Commodore 1581. A "SWAP" button on the front panel enabled users to quickly switch drive numbers with another Commodore drive connected via the serial bus, eliminating the need for manual commands in the computer. It also offered a "1541 emulation mode", allowing partitions on a 3½" disk to mimic the behavior of a 5¼" Commodore 1541 floppy.