Are UAD-2 cards supported on PCIe x4 or x16 slots?

does it matter which pcie x16 slot i use   Dan does ddr4 fit in ddr5 slot

Both PCIe and PCIe are backward and forward compatible Remember those high-speed components that use PCIe slots

Yes Lower PCIE x will always work in the higher x slots You can run a 1x card in 1x and up, the slot will just be larger than what the card PCIe is the component connection port used by motherboards The newest standard is PCIe and with x1, x4, x8, and x16 slots Many motherboards have

fastboot getvar current-slot You're going to want to use the PCIe x16 slot, this is usually the top one; but it should be labeled in your motherboard manual The other slots This means that a PCIe x1 slot supports just one PCIe lane, whereas a PCIe x4 slot has four A PCIe x16 slot has 16 For PCIe