DDR5 DIMM Sockets

Asus develops a DDR4 to DDR5 adapter card ddr5 slot Attempting to insert DDR4 RAM into a server motherboard designed for DDR3 is not feasible, just as DDR3 cannot fit into a DDR4 slot DDR3 vs ddr5 slot compatible with ddr4 When i install slot 2&4 it runs well with Xmp enable However when i tried to run 4 sticks at the same time it never get over 2000 mhz

ddr5 slot Vertical DDR5 DIMM sockets from Amphenol provide 288 contacts on pitch and are designed to accept DDR5 memory modules that conform to JEDEC MO-329