PCIe x16 GPU card into a PCIe x8 slot?

What is an Expansion Slot and How Does It Work? which gpu slot to use It should work in PCIe_1 out of the box, as that's the primary slot in pretty much all consumer motherboard for a graphics card I would suggest which time slot works best for you But when the card is horizontal and PCB parallel to the ground, that would put a strain on the card, and the PCI slot bracket Like

which slot machines pay the best Disable the igpu in bios You may need to plug your display cable into the motherboard first to get it to display, then either disable the on