There is, if you are handy with a soldering iron:
RGBpx wiring Diagram
Unfortunately, I'm not used to soldering. So I'm going to make a conversion adapter for the rgbpx connector.
After searching the links and forums you told me, do I need to buy only Molex 151340406? Another forum I searched for told me to buy a
Molex 51047-0400 connector and make a cable, but I don't know what's the right way to go.