What Happens If You Put DDR5 RAM in a DDR4 Motherboard?

DDR4 sticks won't fit in DDR5 slots either So, if you're planning to keep your current motherboard, sticking with DDR4 is the way to go 5

Unlike DDR4, DDR5 module keys differ between module types: UDIMM and RDIMM DDR5 memory qualified by the world's leading motherboard manufacturers

ddr5 slot compatible with ddr4 Will DDR5 server memory modules fit into a DDR4 socket? No, DDR5 server memory and DDR4 motherboards are incompatible DDR5 will only fit in DDR5 server

ddr5 in ddr4 slot Unlike DDR4, DDR5 module keys differ between module types: UDIMM and RDIMM DDR5 memory qualified by the world's leading motherboard manufacturers