Best card to run in a x16 slot in x4 mode? No dual 8x on this mobo

x4 slot   Dan x4 slot

Pcie x16 slot into multiple x4 slots · PCIE Bifurcation · IBM 69Y5321 M4 PCIe Gen-III Riser Card 2 · Cablem ATIC

1) First is simply looking at the motherboard, many times printed on the PCB near the PCIE slot is the actual X4 or X16 or whatever it happens Now compatible with Mac and Windows laptops, featuring 3-slot PCI-Express desktop graphic cards, 650W power supply, and charges via USB-C

drop em slot I explain in this video what is PCIe x4 on the motherboard and its uses I also explain what PCIe SLOT # 1 PCIe Gen2 x8