Z690 motherboards will support both DDR4 and DDR5 memory

DDR4 is not backward-compatible with DDR3 so a DDR4 DIMM will not fit on a DDR3 DIMM slot Not only is the key notch of each DDR generation

Instead, the only practical use case we can think of is to repurpose your existing DDR4 memory until DDR5 becomes a more attractive proposition,

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

ddr5 in ddr4 slot As you would have guessed, DDR5 is the replacement for DDR4 Memory Unlike DDr4 that supports up to 128GB of RAM across 4 DIMM slots, DDR5