Hi i have 12 Rx 580 8GB can this motherboard support all of them because i was reading that i can only use 6 AMD and 6 Nvidia
https://www.amazon.com/Biostar-Motherboard-TB250-BTC-PRO-Supports/dp/B0736PV196/ref=sr_1_1?ie=UTF8&qid=1519104822&sr=8-1&keywords=Biostar+TB250-BTC+Pro