Hi to all, When I enable the XMP profile on my DDR4 my 7700K from the default 4.2 boosting on 1-2 cores at 4.5 changed and its always 4.5 GHZ on ALL 4 cores .Is there any way to use my DDR4 Gskill RGB 4.266hz without OCing my CPU ?My temps with XMP...

I am seeing that Z270 ITX motherboard has only 1 Chassis fan header that I use a spliter for my 2 front Fans and work great with Q Fan control on bios and everything.The problem is the Pump AIO header . I place there my 2 fans exhaust fans with split...