Motherboard PCI spacing and GPU sizes

Buy ASUS Dual Radeon Rx 7600 V2 Oc Edition 8Gb Gddr6 Graphics Card (Pcie , 8Gb Gddr6, Hdmi , Displayport , Design, Axial-Tech Fans,

cooler, while the 2 slots placed underneath the graphics card slot where heat from the GPU is trasfered to the SSD module)

2525 slot NVIDIA® Jetson AGX Orin™; Multi-storage option: 64GB eMMC MicroSD slot ” SATA drive bay 2280 M Key; Support E Key B Key M Key

25 bonus 25 slot I have a dell g5 5000 that currently has a zotac 1060 6gb AMP that says it is dual slot I am looking at buying an msi 6600xt that also says