Dual GPU (RTX 2070 Super and RTX 2080 Super) only detects 1 card

I am having trouble detecting my 2nd GPU (RTX 2080 Super), tried with Ubuntu drivers 550, 535, 525 but will only detect the RTX 2070 Super.

Here is my Ubuntu config:

No LSB modules are available.
Distributor ID:Ubuntu
Description:Ubuntu 22.04.5 LTS
Release:22.04
Codename:jammy

and here is my log file:
nvidia-bug-report.log (2.1 MB)

Looking at the output of lspci in the log, the 2080 is not showing and it should even with no driver loaded.

Have you tried alternate slots and confirmed both aux. power connectors are properly seated or have a dodgy power splitter if used?

Ill try changing the slot today because its very weird indeed.

Seems like my 2 8 pins were not compatible with the PSU!
Thank you!

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