sram

I have a Lenovo ideapad 330s w/ ryzen 2500u vega 8 gpu and 4gb of ram.The thing is that on cpu-z and speecy the speed of the ram is displayed as 300mhz,even tho its 2400,dont know why is that.I tried to tweak it through bios,and i searched for days online but i havent found anything.Can you...