The MSD Super Disk were a series of 5¼-inch floppy disk drives compatible to some degree with the Commodore 1541 disk drive, produced by Micro Systems Development for use with Commodore 8-bit home com
The MSD SD-2 dual floppy disk drive
The Commodore D9060/D9090 Hard Disks were the only family of hard drives that Commodore made for both the home and business market. The electronics are identical in the D9060 and the larger D9090 unit
Commodore D9090 Hard Disk Drive
The back of a D9090 drive showing the IEEE–488 port
VIC-1112 cartridge (internal view) used with the VIC-20 computer
Quicksilver 64/128 by Skyles Electric Works