what to look for when upgrading your power supply

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  1. Posts : 10
    Windows 7
       #1

    what to look for when upgrading your power supply


    I have an old computer and i want to upgrade to windows 7. My video card wont support Windows 7. I cant find a video card that my system can handle with only a 270 watt power supply. What do i look for when upgrading my power supply?
    I have a HP d530 CMT.
      My Computer


  2. Posts : 2,726
    Windows 7 Ultimate 64bit
       #2

    Have a looky here pal

    PSU calculator
    PSU calculator 2
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  3. Posts : 10
    Windows 7
    Thread Starter
       #3

    Here is my computer. its the model CMT. HP Compaq Business Desktop d530 Series - World Wide QuickSpecs
      My Computer


  4. Posts : 625
    Windows 7 Ultimate 64Bit
       #4

    whughes1989 said:
    I have an old computer and i want to upgrade to windows 7. My video card wont support Windows 7. I cant find a video card that my system can handle with only a 270 watt power supply. What do i look for when upgrading my power supply?
    I have a HP d530 CMT.
    it depends on the form factor of your case, if it's atx the psu's are all pretty much generic. then it all pretty much comes down to how much u wanna pay and how many watts u wanna go upto ie. 750watt. your motherboard manual will probably tell u the max psu it will go upto so start there! then u have to look for whether u need sata power connectors or not.
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  5. Posts : 296
    Windows 7 Professional
       #5

    You're motherboard only supports AGP videocards, you will not need anything more then a good 450W power supply. Enermax, Antec, Thermaltake and Cooler Master are good brands without a price tag. Do not go out and but a high end AGP videocard because that would bottleneck with you CPU and you will not get the full potential of the videocard anyways, low end to mid end cards only require 450W with all system components 500W if you want to be safe and buying generic brand power supply.

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  6. Posts : 10
    Windows 7
    Thread Starter
       #6

    I just contacted HP support and they told me my mother board can only handle a 270w power supply or it will fry the mother board. Is that true?
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  7. Posts : 1,470
    Windows 7 Ultimate Signature Edition
       #7

    i really recommend against buying generic power supplies. buy a cheap low power model from name brand vendor even an older model will suffice, but the power supply is perhaps the last place you want to cut corners and cost on a PC
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  8. Posts : 296
    Windows 7 Professional
       #8

    I don't think the rep at HP knows what they're talking about, I've replaced a couple of my friends Compaq (technically still HP) desktops with higher watt power supplies because they wanted to do the same (upgrade videocard).

    Is your case a mid tower or mini desktop case?

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  9. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #9

    Those HP guys are jerks. They know nothing and never knew anything. The power outputs are rated and nothing can happen if you buy a decent make as suggested above. I personally like Antec, but some of the other suggestions are good too. Just look for an 80%+ unit. Here are some nice units. Take your pick.
      My Computer


  10. Posts : 10
    Windows 7
    Thread Starter
       #10

    Nemix77 said:
    I don't think the rep at HP knows what they're talking about, I've replaced a couple of my friends Compaq (technically still HP) desktops with higher watt power supplies because they wanted to do the same (upgrade videocard).

    Is your case a mid tower or mini desktop case?

    I think its the mid tower. the case is pretty big.
      My Computer


 
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