Can my PC support a GTX 570? PSU UPDATE

My specs:

AMD Phenom II X6 1045T (6 CPUs) ~2.7 Ghz
8192 MB RAM
DirectX11
AMD Radeon 6450 (current video) 240 MB memory


I have one fan at the moment but honestly do not know how to tell how much power my power supply puts out or how to change that or install a new fan. If I need to alter either of these, I can find a tutorial online, but would like to keep things simple.

If the 570 won't work, please feel free to suggest another card or what I could do to my rig to make it work.

Thank you, I appreciate your time and input.

UPDATE: I have a prebuilt (I was stupid to get prebuilt, I know. I will build in the future...). It is a HP Pavilion Elite HPE 500y. The psu is 300w. I did some further reading online and saw that the 570 requires ~500w. Any suggestions on a new psu? I seriously haven't the slightest clue on what is good/compatible. Can I just dig around Newegg or are there certain things I should know?

Thanks again for all of your help!
3 answers Last reply
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  1. The Biggest Factor and Indicator of if your going to be able to upgrade is gonna be based on the size of your Power Supply
  2. trumpeter1994 said:
    The Biggest Factor and Indicator of if your going to be able to upgrade is gonna be based on the size of your Power Supply

    +1
  3. A would reccomend around a 550+w psu.
    You can use this as a reference

    http://www.bit-tech.net/hardware/2010/12/07/nvidia-geforce-gtx-570-1-3gb-review/9

    150w at idle

    330w at load

    but your results might be different
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