I have 32 Gb of Kingston Fury Beast 32GB (2x16GB) DDR4 PC4-28800C18 3600MHz Dual Channel fitted to a Asus ROG Crosshair VIII Hero Wi-Fi (AMD . I have x2 of 8Gb RAM of 3200MHz in the other channel. Is this worth doing as the RAM is in different channels? Why is my actual RAM speed only 2400 MHz?