Perfect, this card comes with the required 12V connector and also happy that you didnt get the msi ventus card as apperently in msi ventus there's a vrm left out of any cooling and it just keeps cooking itself inside.
there's an awesome site called pcpartpicker.com thats a goto site when you buy pc hardware it will find you the cheapest deal.
Have you already made a purchase?
Which video card with its full name and model have you bought? Which power supply with its full name and model number do you have? It will make it easy to assist you.
What the Melon is trying to say is, if you want to Specifically play as Commander/Opfor, only then you are required a signup
Otherwise Everyone is allowed to Join Any Mission, Anytime, Anymap as Bluefor without a singup.