PCI Express

PCI Express can i use a pcie 4 0 gpu in a 3 0 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, candy jar slot It should work on your mobo regardless A PCIe graphics card will work in a PCIe motherboard slot at PCIe speeds For PCIe

candy jar slot Like USB, PCIe is forward compatible This means that a device which requires PCIe will work in a PCIe or PCIe slot Slot Size Lane Width

candy star slot It should be backward compatible, but you will see less performance than if you had it in a PCIe slot since it runs at PCIe x8 instead The old games are going well - Mafia 3 for example I found a correlation that if the game load GPU is around 60-70%, there is no problem with