You could get blue screens. You could have CPU throttling. Your system may completely fail to boot. Your system may overheat and destroy the motherboard, processor, or any other component installed on it. On the other hand, it may work perfectly.
The point of creating the CPU Support Lists is to limit what the technical support teams have to provide solutions for. If you were to contact Gigabyte with an issue about this pairing, the only response you would get would be, "It's not supported".
-Wolf sends