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hd4870 on 500 watt psu?

Discussion in 'Hardware' started by KablooieXL, Jun 4, 2009.

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  1. KablooieXL

    KablooieXL Thread Starter

    Joined:
    Feb 6, 2007
    Messages:
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    Hi guys!

    Will my Thermaltake Purepower TWV 500W PSU be able to handle an HD4870 with my current setup or will it go boom?

    System:
    E6600, 2GB, 2HDD, 2 DVD-RW

    greets
     
  2. flavallee

    flavallee Trusted Advisor

    Joined:
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    Messages:
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    First Name:
    Frank
    The system requirements says a 500-watt for a 512 MB card and a 550-watt for a 2 GB card.

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  3. KablooieXL

    KablooieXL Thread Starter

    Joined:
    Feb 6, 2007
    Messages:
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    What I keep reading is that people say that the required wattage is often exaggerated to take cheap PSU's into account. As far as I know, my Thermaltake purepower TWV 500w is pretty solid and I don't have any extra hardware installed that might draw a lot of power. So I'm trying to do as much research as I can before I order something that might potentially blow up my system.
     
  4. KablooieXL

    KablooieXL Thread Starter

    Joined:
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    The PSU calculator on outervision.com says my current system used about 351w with my old 8800GTS 640mb. I had no power issues with that card. When, on the calculator page, I exchange the 8800GTS 640 for an HD4850 and press calculate, it says my computer will only need 5 extra watts (356w in total) in comparison with my old 8800GTS640. Add 2 extra ram sticks and I need 367w.

    Is it safe to assume that my Thermaltake Purepower TWV 500w WILL be able to handle the switch from an 8800 GTS 640mb to a HD4850 and add an additional 2gb (2x1gb) of ram since the total difference only seems to be 16w...
     
  5. flavallee

    flavallee Trusted Advisor

    Joined:
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    Frank
    You need to get some advice from someone who's into hard-core gaming and putting a big load on a high-end graphics card and what power supply requirements are needed.

    Personally, I believe you'll be alright with that 500-watt unit.

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