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Need to upgrade graphics card lp

Hi, trying to learn the basics of computers so please bear with me,
My son has an acer aspire x3450' w7.
Amd athlon 11 x4 645 quad core pro
Amd rad hd 4250 graphics
6gb ddr3 memory
2tb hd
Has a pfc 220wts
Problem is wants bf3 i've spent some time searching different forums to learn he needs a low profile graphics card and have found sapphire hd radeon 6770 lp would play medium results without having to change the wts (185 max) please can you give me some advice if this is so, before i buy thanks really appreciate the help
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  1. what is you power supply name and of how many watts ?
  2. Power supply says non pfc 220 wts
  3. first of all dont use that power supply buy a new one of branded companies 550watts like corsair,seasonic,xfx.
  4. Ok sorry taking so long to reply do you think that graphics card is any good then?
  5. Best answer
    yes the hd 6770 will be a good budget gpu or maybe the hd 6850 an hd 6850 will be more good then hd 6770 upto 10-15%.:)

    http://www.phoronix.com/scan.php?page=article&item=sapphire_hd6770&num=4
  6. Thanks for the advice going to buy a new power supply and new graphics card and with a bit of luck he should be up and running by the weekend cheers angie
  7. Best answer selected by Liacor.
  8. This topic has been closed by Mousemonkey
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