Akai MPK249 USB/MIDI 49-Key Keyboard Controller – Easy Music Center
Amazon.com: Alesis V49 - 49 Key USB MIDI Keyboard Controller with 8 Backlit Pads, 4 Assignable Knobs and Buttons, Plus a Professional Software Suite Included : Everything Else
Monoprice SRK49 49-Key USB MIDI Keyboard Controller with 8 Velocity-Sensitive RGB Pads, 8 Assignable Knobs, 5 MMC Buttons - Stage Right Series - Walmart.com
M-Audio
Amazon.com: M-Audio Oxygen 49 (MKV) – 49 Key USB MIDI Keyboard Controller With Beat Pads, Smart Chord & Scale Modes, Arpeggiator and Software Suite Included : Everything Else