How PCI Express Can Work For You

can i use a pcie 4 0 gpu in a 3 0 slot   Dan candy glyph slot

PCI-E versions are Backwards Compatable it will work all you may get is limited Bandwidth from your PCI-E Slot to your PCI-E Graphics

It's worth noting that the PCIe standard is backwards compatible, so you can, for instance, use a PCI-e graphics card in a PCI-e slot without issue, no you can perfectly put a gpu with PCI-E into a newer mobo that supports higher bandwith with ofcourse you won't be using the max

symbol slot No need for PCIe4, PCIe3 will be fine · No you will not need to upgrade your motherboard from pcie to a current gen to use this card, The table above shows how, on the MSI Unify X570, you can have a single GPU at x16 PCIe-Lanes, but two GPUs will then run at x8 PCIe-Lanes With 3 GPUs, two