PCIe 3 Transfer Rates :: Hardware and Operating Systems

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

Answer Make certain that you have updated your GEN 3 capable motherboard with the latest Motherboard BIOS and set the PCIe slot to the appropriate speed, not

pcie gpu slot AMD A620 ATX motherboard with DDR5, PCIe support, dual slots, Q-Latch, 12+2 DrMOS, Wi-Fi 6, Realtek Ethernet, DisplayPort, HDMI™,

pcie slot for gpu PCIe cards can be used with motherboards that have PCIe slots PCIe 3 slot Contemporary graphics cards cannot fully utilize PCIe 4