Which RAM Slots Should You Use?

DDR5 Memory Standard: An introduction to the next generation of can you run ddr4 in a ddr5 slot DDR5 has far higher capacity per module than DDR4 It is one more reason more to stay with 2 higher capacity modules than trying to combine 4 modules cannot determine a partition for slot DDR5 isn't backwards compatible, though, and you can't slot DDR5 memory kits on motherboards that only support DDR4 either That means you

can i run a pcie 40 in 30 slot Because the two aren't cross-compatible, you're stuck whatever you pick for as long as you use that motherboard