TL;DR: NVIDIA's 16-pin 12VHPWR power connector for RTX 40 and 50 Series GPUs has faced recurring issues of melting cables and overheating. AMD's Radeon RX 9000 Series also reports similar failures, ...
Note: Just to be clear, this new connector is the one NVIDIA is using on its GeForce RTX 40 SUPER series graphics cards -- the updated 12V-2x6 power connector-- which MLID says NVIDIA is mandating on ...