Talk about what cases are best for airflow also that provides enough room graphix cards. Some graphix cards require 2-3 PCI slots depending on the cooler and cpb board. You have to take accountable of how big your computer case is to make sure your graphic cards fit and has enough airflow to keep cool. Also a computer case is always best to have fan options also radiator options to make sure you have enough air flow for all the components inside.