Newer isn’t necessarily better. ATX 3.0 power supplies feature a redesigned 16-pin 12VHPWR power rail that should be ideal for the latest Nvidia RTX 40-series graphics cards, which can carry an astonishing 600 watts in a compact power connection. Just one problem, though: The hardware is apparently have some trouble with… melting. After news of the meltdowns made the rounds, an AMD executive made a surprisingly specific revelation about the upcoming RDNA 3 series graphics cards: They won’t be using the next-gen power connection. The confirmation comes from AMD’s Senior Vice President and Gener…