Nvidia GeForce RTX 4080 SUPER Guide De Démarrage Rapide page 10

4 Install the GeForce RTX 4080 SUPER graphics card into the
primary PCI Express x16 slot on your motherboard.
!
Attention: This GPU card should not be installed with the I/O
brackets facing downwards.
Reinstall the covers on your computer and reconnect any cables
5
previously removed.
Install your GeForce RTX
4080 SUPER into the
Primary PCI Express x16 slot
(the Primary slot is the one
closest to the CPU).