Nvidia GeForce RTX 4080 SUPER Guide De Démarrage Rapide page 8

3 Connect the 16-pin plug of NVIDIA power connector adapter
to the power receptacle on the top of the GeForce RTX 4080
SUPER graphics card.
!
Attention: Use only the included NVIDIA power connector adapter
for your GeForce RTX 40 Series Founders Edition graphics card.
Connect at least three
independent dedicated cables
with 8-pin PCI Express plugs
from the system power
supply to the NVIDIA power
connector adapter.