For a few weeks now, we've known about MSI's RTX 5090 Lightning, a return to form for an iconic lineup of GPUs targeted at extreme overclocking. This new 5090 Lightning is no different with a 1600W power limit (2500W XOC BIOS) split across dual 12V-2x6 connectors, a large screen, and liquid-cooled design, now all confirmed by CES.