The FD-1 drive is a second disk drive for Amstrad CPC 664 and6128 or first disk drive for Amstrad CPC 464 when you connect it to the DDI-1 drive controller.

Amstrad Retro Geek is showing a Gotek integrated inside a 3D print FD-1dans un FD-1 avec impression 3D réalisée par Benemerit (Madrid).

The Amstrad CPC 464 in the video has a DK'Tronics 64 Kb RAM extension and its ROM has been replace by one of the 6128 : basic v1.1 instead of v1.0.