Is my PSU enough?

Hi all, I currently have a Seasonic 500w PSU, but I used a PSU calculator on the upgrade I'm planning and it got me a little worried? I know calculators tend to err on the side of caution and I have a tight budget, so I thought I'd check here before splashing out on a better PSU.

I've had it for 3 years and it's been running:
AMD X2 4400, Radeon HD 4850, 1x SATA, 2x IDE, 1x PCI, 1x DDR2 RAM.

Now I'm going to have:
AMD Phenom II X4 965, same GPU, 2(or 3)x SATA, 1x PCI, 1(or 2)x DDR3 RAM.

Is it still good or do I need a higher wattage? Hope you can advise me, thanks :)
2 answers Last reply
More about enough
  1. Hi :)

    Easily enough...

    All the best Brett :)
  2. You are fine. Seasonic is a good brand and it is a true 500W PSU. What calculator did you use to come up with that result? Try http://www.thermaltake.outervision.com/
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