Can DDR5 Motherboards Use DDR4 RAM?

Will DDR5 RAM work on a DDR4 motherboard? does ddr5 fit in ddr4 slot In this short we explain that you cannot install DDR5 memory into a DDR4 slot As an obvious does nintendo switch lite have game card slot DDR5 is NOT compatible with DDR4 motherboards Its physically notched differently and the pins are mapped differently so you cannot plug it in

does z flip 3 have sd card slot In this short we explain that you cannot install DDR5 memory into a DDR4 slot As an obvious