Datorfamiljens flaggskepp, Commodore Plus/4, liknade C116 men hade ett 59-tangenters tangentbord (samt den berömda "cursor key diamond" som bestod av fyra piltangenter, vilket kontrasterar mot VIC-20:s och C64:s två + shift-piltangenter), mer minne, en modemport samt inbyggda kontorsprogram.
The family's flagship, the Commodore Plus/4, was shipped in a similar case but has a 59-key full-travel keyboard (with a specifically advertised "cursor key diamond" of four keys, contrasted with the VIC-20's and C64's two + shift key scheme inherited from the PET), 64 KB of RAM, a modem port, and built-in entry-level office suite software.WikiMatrix WikiMatrix