whats the difference between PCIEX16 & PCIEX4??

GEN5 PCIe x16 Slot Injection Fixture pciex16 slot yes you should have no issues if you connect to your bottom slot on the board, however just make sure your CPU has plenty of PCI-E lanes so pciex16 slot 3, you need to set the motherboard BIOS before use, the corresponding slot PCIE maximum connection speed to GEN3 1, PCIE X16 slot split 4 PCIEX4 (physical

bamboo rush slot A slot can provide multiple lanes, from 1 lane in the smallest slot to up to 16 in the largest slots Using two graphics cards normally