i am looking for a datasheet, or ideally an eagle library, that has a female 6 pin pcie power plug, like this:
as easy as it seems, i cannot seem to find ANYTHING online.
This is a Molex 45718-0002 connector -- refer to their mechanical drawings for the dimensions and recommended footprint.
There's also a right-angle version of this connector -- Molex 45558-0003.