In this video I’m showing you how to undervolt (and optionally overclock) the Ryzen 7 9850X3D so it runs cooler, pulls less power, and can even give you more FPS if you tune it properly. The big point here is: these refreshed Ryzen 9000 X3D chips can be pretty power hungry if you just let them do whatever they want, so I walk you through the exact BIOS tabs to get control back. It doesn’t matter if you’re on ASUS/MSI/Gigabyte/etc. or B650/X670/X870/B850 — the AMD Overclocking menu is the common ground. I start with the “set-and-forget” undervolt: Precision Boost Overdrive on Advanced, limits set to Motherboard, and Curve Optimizer set to All Cores, Negative, -15 (and if you’re unlucky, -10). Then I show a static/fixed setup for efficiency: manual CPU ratio (like 51) and a manual Vcore around 1.1V for a massive temp drop, with the tradeoff being a little performance loss. After that, I cover the stuff that actually gets tricky: EXPO/XMP basics, FCLK tweaks, and advanced PBO tuning like manual limits, scalar (10x), and boost override (+200) — plus how to back it down if you crash. Finally, I go over stability testing and the common sense rules so you don’t chase unstable “paper boosts.”