What is the best video card that my computer can handle?

here is the problem. when you get a store bought computer, they often put an inferior power supply in it. so even though your motherboard, cpu, and ram are fine, you will still likely have to upgrade the power for a better graphics card. you also need to consider the size of the card you are getting and whether or not it will fit into your computer case.

download this program from cnet.com its called speccy.it will tell you everything that is in your computer,i mean everything,then take this to a computer store and ask if it will work,or call the manufacturer to find out if it fits in the computer and call the manufacturer to see if it works with everything in your computer.i used it once like that i have a dell and when they asked me any question i used speccy