There was a rumor going around that Intel would “strongly encourage” its partners to go DDR5-only for its 13th-generation Raptor Lake CPUs. That may or may not have been true, but at least one vendor is apparently shipping as many as five motherboards based on Intel’s Z790 chipset that will carry on with DDR4 memory support.
This news comes

Source: Hot Hardware – These ASUS Z790 Motherboards For Intel 13th Gen Raptor Lake CPUs Support DDR4 RAM