Need a hand Troubleshooting why my DDR5 6400 RAM is failing to

Build: ASUS ROG CROSSHAIR X670E HERO AMD Ryzen 9 7950X 128 GB G.SKILL Trident Z5 RGB Series DDR5 RAM 6400 NVIDIA RTX A4000 16GB EVGA SuperNOVA 1000 GT I get an error Q-code on boot, pre-bios, of ‘0d’. Then it fails to boot. One or Two Sticks(either set), it boots fine and I’m up and running. When I boot with Four the first time from Two, it boots fine, the problem is when I restart it, it gives me an error code. I am wondering, is it compatibility? Is it because the ram are XMP optimized

MSI Z790i MPG will not run G.Skill DDR5 6400 RAM anywhere near XMP speeds

MSI Z790i MPG will not run G.Skill DDR5 6400 RAM anywhere near XMP speeds

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