Yeah you have to check. You have to spec it out for the number of monitors you want to run. I have found the best pc's for use in trading are the fast ones the kids use to run those games on. But I went with a 27" iMac (which is a computer sort of built into the monitor and two 27" monitors hook to the left and right of it. The iMac actually runs Window 8.1 faster than a pc.