Is a 280 watt psu capable of 2011 graphic cars

Hello, i've got a dell optiplex gx 620 and it has 280 watt psu and i think i will buy the geforce 440 gt or the geforce 630 gt !
geforce 630 gt take 50 watt
geforce 440 gt take 60 watt
my pc spec :
intel pentium D 3.4 ghz
Ram 1 gig ddr2 ( i'm gonna upgrade to 2.75ram)
geforce 7300 le (current graphic card )
Q1 : will any of the following graphic cards will work : geforce gt 440 gt geforce gt 630 gt
8 answers Last reply
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  1. The GT630 is not a very good choice and frankly neither is the GT440 unless it is the GDDR5.

    Can you give us some information on the power supply? It's important to know the amperage on the 12V rail of the power supply when upgrading a graphics card.
  2. what dell optiplex gx620 do you have the tower,mid tower,small form ,or the ultra small form
    If you have the full tower read below.If not your chances are 0 because 3 other forms have a 25W PCI-E 2.0 (the full tower has a 75W PCI-E 2.0)
    Anyway be careful with the amperage.I don't know for the 440GT but the 630GT Recommend a 22 Ampers on 12V rail PSU
    Check your PSU
    It should be writen :: +12/22A or +12---22A or something like that
    GOOD LUCK
  3. Personally, I wouldn't use a 280W PSU on any computer. It isn't even worth considering.
  4. iliani007 said:
    what dell optiplex gx620 do you have the tower,mid tower,small form ,or the ultra small form
    If you have the full tower read below.If not your chances are 0 because 3 other forms have a 25W PCI-E 2.0 (the full tower has a 75W PCI-E 2.0)
    Anyway be careful with the amperage.I don't know for the 440GT but the 630GT Recommend a 22 Ampers on 12V rail PSU
    Check your PSU
    It should be writen :: +12/22A or +12---22A or something like that
    GOOD LUCK

    i've got the small , it looks like that i can't have the 440 gt and the 630 gt but what about geforce 9800 gt , and is there a good graphic card that i can run it and make me play 2012; 2011 games on medium and 1024x800 resolution
  5. HD 7750 or HD 6670. These have reported on 250-300 watt power supplies.

    Dave
  6. the HD 6670 is pci express 2.1 i've got pci express 2.0 will it work ?
  7. anasvan said:
    the HD 6670 is pci express 2.1 i've got pci express 2.0 will it work ?


    There have been reports of some 2.1 cards having issues with 1.x motherboards. Since you have a 2.0 motherboard, this doesn't apply. You can even put in a 3.0 card like the HD 7750 in your motherboard....these cards/mobos are typically backwards compatible.

    Dave
  8. It should work fine really.
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