What will happen if I mix DDR4 RAM and DDR5 RAM in my PC?

What will happen if I mix DDR4 RAM and DDR5 RAM in my PC? ddr4 and ddr5 same slot I recently build my own PC, with a Z790 motherboard a intel i5 13K Alder Lake and a single 32 gb DDR5 ram stick When trying to install ddr4 vs ddr5 slot So, you can't mix and match SDRAM, DDR, DDR2, DDR3, DDR4, or DDR5 memory on the same motherboard, as they won't function They may not even fit in the same

ddr4 vs ddr5 slot It's not possible to install a DDR3 module in a DDR4 slot or the other way around, for example Besides, DDR3, DDR4, and DDR5 RAM modules don't

ddr4 and ddr5 same slot Regarding the number of pins on each module, both DDR4 and DDR5 use the same 288-pin layout, but the notch is placed differently This is a DDR5 graphics cards require a PCIe slot, which is not available on most DDR4 motherboards that typically have PCIe or slots Therefore, while it may