XOC 2500 W BIOS Experiment Fractures MSI RTX 5090 Lightning Z GPU Die

MSI's "built to be perfect" GeForce RTX 5090 Lightning Z design was heavily showcased at CES 2026, with press material referring to an unusual 2500 W "Extreme Performance OC" (XOC)

BIOS. At the time, it was rumored that an official file had been issued exclusively to professional overclockers. Weeks later, said XOC BIOS has seeped out onto the net—as of this afternoon, the Tech ...