Roland Edirol PCR-800 MIDI Controller Keyboard - 100% Untested. NO PSU.

Roland A-49 USB Midi Keyboard Controller Black

Roland ED PC-300 Midi Keyboard Controller - Silver - Tested

ROLAND PC-300 USB MIDI KEYBOARD CONTROLLER

Korg nanoKEY Studio Bluetooth and USB MIDI Keyboard Controller Black

Roland PC-200 MK I Midi Keyboard controller Electronic Music Rare First Gen

Edirol PCR-1 Midi Keyboard

Evolution USB/Midi Controller MK-425C Keyboard - Not Fully Tested