Is AI Suite compatable with ASUS Sabertooth 990FX?
No, Asus AI Suite 3 is not compatible with this motherboard. You will have to use version 2 of AI Suite. This is released as being compatible with the Sabertooth 990FX. You can download the installer through the official website.
Asus Support: https://www.asus.com/Motherboards/SABERTOOTH_990FX/HelpDesk_Download/
Note: Make sure to select the proper OS before you download the package.