maybe two x4 links out of an x8-wired x16 slot. Now, there’s an alternative, and it’s PCIe switches – these are hefty chips which present a PCIe device interface to your host, and multiple ...
And if you have a second slot, it likely runs at PCIe x8. That’s half the speed, and that’s why the top slot should always get your GPU. Some smaller PCIe slots run at x1 or x4, and these are ...