Also, how would the pcie cable connector look, or where would it plug as it doesn't seem to come with one. I'm rather new at this and have trouble identifying the right cables.
A PCI-E connector is the type that you plug into your GPU, either 6 pin or 8 pin (usually 8 pin are actually 6+2 on newer model PSUs). Some powered risers have a PCI-E connector instead of molex and if you have enough cables from your PSU it's best to use them to power the riser and GPU both.