ddr5 ram memory is better 1 or 2?

can you run ddr4 in a ddr5 slot   Dan can i use m2 pcie 40 in 30 slot

If your motherboard is compatible with DDR4 RAM, you cannot install DDR5 RAM in it Does It Matter Which RAM Slots You Use? Whether or not it

DDR5 can use densities of up to 64 Gb DRAMs in a single-die package DDR4 DIMMs can have capacities of up to 64 GB , and No matter if DDR4 or DDR5, it runs best with a kit of two identical modules No consumer motherboard has quad-channel, you can only get

pisang 69 slot Both DDR4 and DDR5 modules have 288 pins and do not share the same pin layout Thus, the DDR5 DIMM will need a new slot However, like DDR4, Both LPDDR4x Memory and DDR4 Memory can be found in laptops LPDDR4x Memory offers better power efficiency at the cost of performance