RX 580 NITRO+ 8GB runs only PCIe x1

The short answer is yes You can plug a PCIe x1 card into the PCIe x16 slot A PCIe x1 card can be plugged into any larger slot and will

You will need to navigate to the main tab and halfway down is the section that will deal specifically with the PCie gen and speed Has been a

pcieslot PCI Express Expansion ; Downstream slot port PCIe x16 PCI-E SMT Type Slot Supports PCI Express Gen 4 Bandwidth ; Power connector One SATA 15pin power

pciex1_1 slot First, it offers more physical support So, if you've got a big heavy GPU in a tower case without a support at the far end of the card, a 1x