NEW Premium G-Power™ GPU Cables for NVIDIA GeForce RTX 30 Series (3070, 3060) ATX/EPS 8 Pin or PCIE 8 Pin PSU to Mini 12 Pin - Pactech
NVIDIA: GeForce RTX 3070 picture with 8-pin power connector "was a mistake" - VideoCardz.com
Installing RTX 3070 Ti, question about connection to power supply (see comments) : r/pcmasterrace
Amazon.com: RTX 3.0 Series 12pin to Dual 8-pin 16AWG Nvida Graphics Card Extension Cable 3070/3080/3090 for Evida PCIE Sleeved Braided Male to Female Extension Cord Power Supply Cable for PC Computer (Sliver ) :