Geforce 6150 upgrade to Hd7770

is it possible to upgrade my geforce 6150se nforce430 to "HD7770" without changing my power supply. my current power supply is 250w. im not much of a computer tech and i dont know much about my desired gpu's compatiblity with my motherboard. please help? :(
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More about geforce 6150 upgrade hd7770
  1. In order of performance (low to high) are the 5450, 6450, GT 440, 7750 (800Mhz version)

    Also, you may need to look at your motherboard and see if you have a PCI-E x16 slot.




    All of these don't need a power supply connected to the cards. All of them are capable of working in your computer with a 250W.

    If you don't have much room, go for the low profile versions like this:
    You can see that the top half of the card is cut off
    http://www.newegg.com/Product/Product.aspx?Item=N82E16814127571

    Let me know if you have any other questions :)
  2. There are also some single slot, low profile 7750s on the way to market from powercolor and sapphire.
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