AE 3.5" Drive
800K 3.5" floppy drive, upgradable to 1.4 MEG or higher. Compatible with IIe, IIc/IIc Plus, IIGS and Mac. Apple's 3.5" drives for the Apple II stopped at 800 KB.
Manuals & files
Opens on ae.applearchives.com (not rehosted here).
Source page: https://ae.applearchives.com/all_apple_iis/ae_35_drive/