Can DDR5 be Installed In A DDR4 Memory Slot?

can you use ddr4 in ddr5 slot   Dan candyland slot

DDR5 can use densities of up to 64 Gb DRAMs in a single-die package , where DDR4 maxes out at 16 Gb DRAM in an SDP Higher device capacity

Yes You need to choose a z690 or b660 that supports ddr4 Should be in the name, for sure in the specs Edit: z690 is fully overclockable ( Because the two aren't cross-compatible, you're stuck whatever you pick for as long as you use that motherboard

enrum slot No The sticks are physically different DDR4 wont fit in a DDR5 slot and vice versa  However, DDR5 cannot be used interchangeably with DDR4 since the keying notch is in slightly different locations Due to the rework of the pins,