PSU compatibility

Definitely. I would stay away from Best Buy when it comes to computer parts, they're grossly overpriced and they mix in their own cheapo in house brand. Here's your GPU much cheaper too.

Can I ask why it is you're upgrading? The reason is, the card you're looking at probably isn't the best choice. It's a low power, low performance card, and if your price point is $70 you can do much better.
 
Low power and low performance, huh. What would you suggest for $70?

Also, so I was right about the compatibility? The only important part is that the power supply needs are met?
 
What do you mean by power supply needs? If you use an underrated power supply, you could ruin your components and have systemwide issues. The video card you selected is on the low end so if you plan on using it for gaming its not gonna work out very well.
 
The video card above needs a 300 Watt or greater power supply. I can post info on the rest of my system specs if you guys want.

Wattage means very very little. The 12V rail amperage is most important and you need a min of 26A on the 12V rail to power any PCIe card, which a 300W PSU will not have.
 
What kind of games do you play? What is your budget?

Well, at the moment I'd like to play games that require the Pixel Shader 2.0 model or higher. I'm stuck with integrated graphics for now so they're not much help. To answer your question, I guess Super Meat Boy?

Wattage means very very little. The 12V rail amperage is most important and you need a min of 26A on the 12V rail to power any PCIe card, which a 300W PSU will not have.

Ah, thanks a lot for the help, I was wondering about that "rail".
 
If thats the only game you play then a cheap card will work. However, if you plan on getting into any high end games then you'll need a better video card.
 
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