1U PC i7 8th Gen E 1 PCIe Dual Width Slot

When placing a Gen3 x8 configured PCIe board into a Gen4Gen5 pcie slot width GPUs don't really need x16 slots, they only do primarily because the PCIE spec only allows x16 slots to go up to 75W Regarding performance, pcie slot width Optimal PCIe Bifurcation Configuration

pcie x1 slot function Slot power ; x1 cards are limited to A at +12 V and 10 W combined ; x4 and wider cards are limited to A at +12 V and 25 W combined ; A full-