PCIe X1 to X16 Slot Extension Adapter Add-on Cards & Peripherals

A PCI Express x16 Graphics 150W-ATX add-in card can draw a maximum of 75W through the standard connector, as specified in PCI Express CEM

2 is x4 from CPU, 1 is x4 from chipset, the other 4 are split from the physical x16 slots via switches) With some to PCIE slot adapters you

pcie x 16 slot PCI Express x16 to x16 Slot Riser Card Extension Cable

pcie x32 slot Yes, you can It will not occupy all lanes, but it will function PROPERLY That was a very common question when PCI-e was first introduced