Ladies and Gents i need some people here with extensive knowledge of buulding computer just to check my calc. Im in the process of building a 12card mining rig with the Biostar TB250-BTC Pro. I will be utilising 12x AMD rx570 4gb Sapphire pulse OC. What i need to know is if 2 of the following PSU will make the power requirments. Im looking at either 2x Thermaltake Toughpower 850w 80+Gold Certified. Or 2x Corsair RM 850w 80+ Gold Certified.