asrock b660m steel legend

Hi, I have an ASROCK B660m STEEL LEGEND with a i7-12700k and have been unable to use XMP to any extent. I've tried 2 different DIMM kits, one being a 4x8GB G.Skill 4000Mhz CL15, and the 2nd being a 2 x 16GB G.Skill 3600Mhz CL14 kit. Neither have worked at their spec on their XMP profile, it...