TechSpot

480W PSU - enough for a Quad system?

By gamingguy27
Sep 29, 2007
  1. Hello All,

    I have a very good Antec TruePower v2 480W psu (decent +12, 36A), and I was wondering could it power my new rig?

    Specs:

    Energy Efficiant Q6600 Intel Quad @ 2.40
    4 x 1 GB OCZ Platinum
    1 x 8800 Ultra
    1 x X-Fi XtremeMusic

    and a couple of 120mm fans...

    According to power calcs WITH %20 capacitor aging, the power demand should be around 478W...

    Regards,

    Alex.
     
  2. Spyder_1386

    Spyder_1386 TS Rookie Posts: 563

    hey hey.... Personally i think you're gonna come up short on power... i say this because NVidia recommends atleast a 450 W power supply on the 8800's. Add the quad and the the other accessories and i don't think your power supply will last too long.

    Spyder_1386 :)
     
  3. RedFox911

    RedFox911 TS Rookie Posts: 94

    Ya that will work for a while but it will bring you to a world of pain shortly after.
    If you dont have alot of moeny try for a thermaltake thoughpower 650 watt or something like that
     
  4. Mictlantecuhtli

    Mictlantecuhtli TS Evangelist Posts: 4,916   +9

    What power calcs?

    TechReport's review of 8800 Ultra with Core 2 Extreme X6800 used 315W on full load. I find it hard to believe that your setup would require that much more.
     
  5. gamingguy27

    gamingguy27 TS Enthusiast Topic Starter Posts: 253

  6. kpo6969

    kpo6969 TS Maniac Posts: 875

    You have 33amps, not 36:
    http://forums.guru3d.com/showthread.php?t=205763

    See if this would do for you:
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139004
    550w@41amps
    The 450w version has 33amps if that gives you an idea
     
  7. SNGX1275

    SNGX1275 TS Forces Special Posts: 12,657   +323

    It will work.

    I too think power calculators are a joke. I have a Kill-a-Watt meter and ran my C2D with an 8800GTS, 2 hds, 2 burners, under full load and used 248W max. Power calcs did say it woudln't use much, but they were still up in the mid 300s.

    So you used a calc, and gave yourself 20% headroom and STILL came up below your PSU's output.
     
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