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Upgrading an HP Pavilion

I currently have an old HP Pavilion a1730n computer and am thinking of start upgrading it, starting with an aftermarket GPU. I am thinking of buying an aftermarket AMD R7 240 to upgrade the GPU, but I was wondering if the 300W PSU that comes standard with my computer is enough or if I need to upgrade my PSU as well. Do I need to upgrade my PSU and is so, should I get a 430W or a 500W?
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  1. Best answer
    Take a look onto HP's site and place your computer model in to get a better understanding of what is already inside your computer. After that check here: http://us.msi.com/service/power-supply-calculator/, to see what your current power consumption rating is for your computer components then add the R7 240 to the list and see how it differs. It will provide you with the maximum power consumption for your entire system. If this number is higher or almost equal to your 300W then you will need to look at upgrading your PSU as well. Let me know if you have any other questions.
  2. Blankie440 said:
    Take a look onto HP's site and place your computer model in to get a better understanding of what is already inside your computer. After that check here: http://us.msi.com/service/power-supply-calculator/, to see what your current power consumption rating is for your computer components then add the R7 240 to the list and see how it differs. It will provide you with the maximum power consumption for your entire system. If this number is higher or almost equal to your 300W then you will need to look at upgrading your PSU as well. Let me know if you have any other questions.


    Yes well I do have one question:
    It has an option for PCI slots. What do I put there?
  3. It just wants to know what you have installed in your PCI expansion slots, if nothing is installed then leave it blank. Same with the rest of the selections.
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