Nvidia RTX Serie Instructions D'installation page 10

7
Secure the card to the system frame using the screw(s)
removed in step 5.
8
Connect the auxiliary power cable from the power supply to the back
edge of the RTX A6000, RTX A5000 and RTX A4000. Note that the
RTX A2000, RTX A1000, and RTX A400 do not use a power cable.
For the RTX A6000 connect
two separate PCI Express 8-pin
cables from the system power
supply to the NVIDIA Dual PCI
Express 8-pin power adapter
as necessary.