* Same chipset as CPC+, but lacks Keyboard, Expansion Port, Printer Port, Tape/Disc Interfaces.
* Additional Scart Connector and TV Modulator.
[[File:Terje GX4000-MC0123B-K3.jpg|100px|left]]
* '''Board: 2700-017P-3, MC0123B, Copyright 1990, K1'''
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[[File:GX4000 PCB Top.jpg|100px|left]]
* '''Board: 2700-017P-4, MC0123C, Copyright 1990, K1''' ([[Media:Terje GX4000-MC0123C-K1 unrotated.jpg|other picture]])<br style="clear:both;"> [[File:Terje GX4000-MC0123C-K2.jpg|100px|left]]* '''Board: 2700-017P-4, MC0123C, Copyright 1990, K2'''
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