Can you use DDR4 memory with DDR5 cpu intel?

Can you use DDR4 memory with DDR5 cpu intel? can you use ddr5 in ddr4 slot Is it possible to upgrade your older DDR4 laptop to use DDR5 memory? No DDR4 and DDR5 SODIMM memory sticks are not interchangeable candy clash slot The answer is no, DDR5 has a different pin layout than DDR4 motherboard Both modules have key notches to lock them in place in the motherboard's DIMM slot, but

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can you use pcie 40 in 50 slot The problem is that DDR5 RAM is NOT compatible with DDR4 RAM, and vice versa: Reminder: DDR4 RAM Won't Fit Into DDR5 Slots and Vice Is it possible to upgrade your older DDR4 laptop to use DDR5 memory? No DDR4 and DDR5 SODIMM memory sticks are not interchangeable