What PSU should I get?

I am fixing to upgrade my graphics card to a SAPPHIRE Radeon HD 7850. I'll be spending about $215 for it. I believe the psu I currently have won't be any good for this card from what people have been telling me. I have heard it will work, but I've also heard different. So I am looking for some opinions... My current psu is listed below. If you think I should upgrade it too, could you tell me what you recommend? I'd like to keep the psu as cheap as possible, but I want it to last for a long time of course, that's why I'm upgrading my card so much... The only game I really play is wow so I'd like to be able to play with at least 40fps... I really need to keep my budget under $300 counting the $215 or the card. I'd rather not even spend that much because my budget was originally going to be $200.

Also, when looking at psu's I can't tell how to know if they will fit in my case and if I have the right hookups for them.... so please keep that in mind if you recommend one for me.

Here is my build:

iBUYPOWER Gamer Power PC, WA910i:

•Intel Core i3-550 processor
3.20GHz, 4MB Cache

•4GB DDR3 system memory

•1TB SATA II hard drive

•24x multi-format dual-layer DVD burner

•ATI Radeon HD 5450 graphics
With 512MB dedicated graphics memory

WA910i iBUYPOWER Gamer Power PC with Intel Core i3-550 Additional Features:
•8 x USB 2.0 ports, 2 x PS/2 ports, 1 x D-Sub port, 1 x DVI port, 1 x RJ-45 Ethernet port, 3 x audio jacks
•1 x PCI Express x16 slot, 1 x PCI Express x1 slot, 2 x PCI slots; 4 x external 5.25" drive bays, 5 x internal 3.5" drive bays
•8-channel high-quality audio

•Echo Gaming Tower chassis

•Casegears Black Steel 480w PSU

•Also the monitor I use is an AOC 24" Widescreen LCD Monitor, 1920 x 1080, 60Hz, 5ms.

Need any more info, please just ask
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  1. The Casegears PSU you have is craptastic...18A on the 12V rail in a 480W PSU is underwhelming. It does not have a 6-pin PCIe power connector and I highly recommend you upgrade to a decent quality PSU. The good news is that the 7850 sips power and a good 450W is sufficient for your PC. The Antec VP450 is more than sufficient for your PC and is a really great budget PSU for $35: http://www.newegg.com/Product/Product.aspx?Item=N82E16817371045 If you don't mind paying a little more up front then the Corsair is another great budget PSU fro $45 and is $25 after a $20 MIR: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139026
  2. are there any decent 500w or better psu's out there for less than $50 that would be good for me?
  3. ok thank you! I just get overwhelmed when I start looking at stuff like this
  4. Not a problem - glad to help. The Antec VP450 and the Corsair CX430 that I linked above are both sufficient for your PC with the HD7850 upgrade.
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