Korg has produced two different instruments under this name, one analog, the other digital, and a quarter century apart (not unlike Hammond itself).

Korg CX3 (2000 - present)

This is the digital version of the Korg CX-3 first released in 2000. It comprises of 2 sets of drawbars, full MIDI compatibility, and more.

Korg CX3 (1979 - 1999)

The first CX-3 was an analog instrument, with one set of drawbars, percussion, distortion, and key-click controls.