Hi i just need some help im a big idiot when it comes to stuff like this i know next to nothing about building a computer, picking out a graphic card for one or anything in between but im looking for a affordable Gcard for my comp my motherboard is a: a780l3b, cuz i had a friend build it for me cuz like i said im a idiot and i dont want to spend like $100+ on a card that wont fit in the slot so can anybody help me out