The SD40 is known as an "arranger module" and is a keyboard arranger without the keys. It is meant to be used with a MIDI controller or external keyboard.
Polyphony: 128 notes
Multitimbral: 64 parts
Preset Patches: 368
User Patches: 368
Preset Styles/Rhythms: 260
Screen: 7-inch 800 x 480 pixel LCD color capacitive TFT.
Dimensions: 320 mm x 180 mm 100 mm
Weight: 2 kg
This is a tabletop module.
Ketron SD40 ($2,213.38)
Ketron MidJay Valigia SD40 ($109.56)
Ketron Stand SD40 - Black ($88.80)