Hello, as you can see from the title, I have a bit of a problem. Since I checked both my motherboard and cpu before buying them, they do support at least 2666Mhz. So what could the problem be?
Motherboard: https://www.msi.com/Motherboard/B450M-PRO-VDH-MAX/Specification
RAM: https://www.kingston.com/dataSheets/HX424C15FB3_8.pdf
CPU: https://www.amd.com/en/products/cpu/amd-ryzen-5-1600