XPS 8700, bottom slot is wired only for PCIe x1, NOT PCIe x4

Tip to Use a Dremel to Cut Open a PCIe x1 Slot x1 pcie slot The PCI-E expansion riser card adapter is designed to convert 1 PCI-E 1X slot into 3 PCI-E 1X slots The 3 PCI-E 1X slots could connect sound card, graphics x1 slot 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

x1 pcie slot Anything A pcie 4 x1 slot is a whole lot of bandwidth and could be used for any pcie card with minimal real world bottleneck GPUs would be