Motherboard says it only supports 1333 RAM, but I've installed 1600 mhz ones. Should I downclock my RAM? - CPUs, Motherboards, and Memory - Linus Tech Tips
GJS computers - Couple old motherboard bundles. Intel DQ67OW, core i3-2100, 4gb 1600mhz hyper x ram. £25. HP H61, intel G630, 4gb 1333mhz ram. £15. Both have i/o shields and have been
ASRock Motherboard showing 1600mhz RAM running at 1333mhz, BIOS not letting me change it : r/techsupport
Does 1600MHz RAM Work on 1333MHz Motherboard? - YouTube