Check if your Intel i7 12700 supports compatible RAM.
Check if your Intel i7 12700 supports compatible RAM.
You shared the beginning of your new setup. A forum user named Ryuikko raised worries about the RAM not working with this configuration. Intel mentions up to 4800Mhz for the i7 12700, but also notes the same limit applies to the 12900K. I’d appreciate any clarification on this point—I believe it shouldn’t be a problem, and I’m just curious.
RAM performance largely depends on chance. Manufacturer claims don't always hold true. A poor RAM controller can limit speeds even if the sticks support them. The most reliable method is to enable XMP during setup, lower the frequency to around 4800, and test briefly. Gradually increase by 100-200 and check stability. Crashes like opening many tabs can help confirm issues. For deeper testing, use tools such as Memtest86.