As the title says I'm wondering if I can use this card with my craptastic Dell. I currently have a 4670, and from what I've seen on a review site, the 5670 idled about the same, but was 21w higher on load. My 530 has a 300w psu. Core 2 duo at 2.4 and 1 500gig hd. I'm wondering if that extra power draw on load will be the tipping point. Thanx in advance.