Windows 7 - Best graphics card that my PC can handle?

My question is the title, specs are in my PC specs section. Thanks!
Please refer to my latest post on this topic.

What's you power supply ?

How can I see that?

Open your case and look for the label on the PSU box. There must be a reference to its power (watts).

The question you asked depends more of the PSU you have than any other thing.

Here you go:
View nV3nUs.jpg on ScreenSnapr

May I also ask what the best processor is for it?

Your psu looks like a 600 watt unit.
Pick a card you're interested in and use the PSU calculator.
Most cards are fine with a 400 to 500 watt PSU.
600 watts gives you more headroom to use a more powerful card.

eXtreme Power Supply Calculator

http://www.newegg.com/Store/SubCateg...&Order=REVIEWS

And not a very good one at that. 20A on the 12V rail would likely up and kill itself if you tried running much more than onboard video with it.

CommandoBob looking at the label on that thing, you better add a new power supply to the budget if you and a decent video card.

^ What he said.

A single 12V rail with 20A isn't going to handle a whole heck of a lot. For comparison sake, my Corsair HX620 (which is listed as 3 rails, but is actually just a single rail), is 50A.

Oh I need to buy another power supply? Dang those things look hard to install. Thanks.

Power supplies are not "hard" to install...but there is a lot of wires that make it look tough. Fortunately, the power connectors only plug in and fit 1 way...so you cannot really get them wrong.

Once you unplug the power connectors, installing a PSU is usually only a 2 of 4 screw process.