Can i use DDR4 RAM on a DDR5 compatible motherboard?

Can you use DDR4 memory with DDR5 cpu intel? does ddr4 fit in ddr5 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 does florida have casinos with slot machines MSI and Asrock have announced that they are enabling support for up to 256GB of DDR5 memory on select motherboards Each memory slot will now

does it matter which pcie x16 slot i use You can select your preferred language independent from your country English DDR3 DDR4 DDR5 Speed * Speed * 1600MTs 1866MTs