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Thread: How much power?




  1. #1
    Join Date
    Apr 2006
    Posts
    3

    Default How much power?

    I'm putting together a pc for the first time I want to get the geforce(xfx)7900GT
    I saw an antec case/power supply that I liked for 100 bones. Would 450watts do the trick?
    (I also have a P4-3.0 a gb of ram and a 250gb hard drive + I plan on getting a sound card for like $100 [if you know of one thats good for around that price i'll take any advice you have to offer]).
    Thanks

  2. #2
    Join Date
    Nov 2003
    Location
    Minnesota, United States
    Posts
    4,543

    Default Re: How much power?

    Not even close. You'll need at least 500W from a reputable PSU company (e.g. Fortron, Antec).

    The X-Fi Xtreme Music 7.1 would be the best choice for a sound card in that price range. Creative is basically the only choice when it comes to sound cards. There are a couple competitors, but Creative has better quality in the long run.

  3. #3
    Join Date
    May 2005
    Posts
    19

    Default Re: How much power?

    The Power supply in the Antec at 450 watts is good enough, I'd get it. I know of some people who've run 7800gtx's on a Antec 350 watt Power supply. But 450 is more than enough for a single card.

  4. #4
    Join Date
    Oct 2005
    Location
    cumbria, UK
    Posts
    367

    Default Re: How much power?

    as long as it has a high 12v rail ampage - more than 20a for example? i know you can get 500w supplies with only 17a on the 12v rail, which kinda sucks
    System Specs:
    AMD athlon 64 3200 venice @ 2.4ghz
    Asrock Dual-939SATA2
    Sapphire Radeon X800GTO2 chip r430 @ 480mhz core/540mhz mem with 1.6v vcore
    1gb Corsair XMS TwinX PC3200 timings 2-3-3-6 at 400mhz
    250gb Hitatchi deskstar T7K500 SATAII disk
    160gb samsung spinpoint PATA disk
    Asus 1608P2 DVD+/-RW Dual Layer
    Unbranded 500W PSU single 17A rail
    Innovatek and Asetek Watercooling (triple fan radiator)
    LOTS OF METAL

  5. #5
    Join Date
    Oct 2004
    Location
    British Columbia, Canada
    Posts
    870

    Default Re: How much power?

    The 450 will work, but if you add much more in the future then you may have to uprade your PSU again, so get a 500W from a good company as Yawgm0th mentioned, a few others include: PC Power and Cooling(but expencive), OCZ, Antec, Fortron, and Enermax.

    Oh and about the X-fi..... Many NF2/3/4 users complain about cracking noises coming from their speakers, random lock-ups, and BSOD's. Other than that you should be ok.
    Last edited by Amd_Lover2004; 05-03-2006 at 11:35 AM.
    My Current Rigs:
    Antec P180, OCZ Powerstream 520W, DFI nF4 SLI-DR Expert, AMD X2 4400 w/XP120(2.6GHz@1.45v), 2x1GB OCZ Platnium PC3200, BFG 7900GT@592/800(1.6), WD 250GB SATA, Maxtor 120GB IDE, LG DVD/CD Combo(black), Sony DRU-810 DL DVD Burner(black)
    3DMark01:25379, 3DMark03:19746
    3DMark05:9294, 3DMark06:5340

    Raidmax Cobra, Fortron PN-400W, ASUS A8N-E(nF4 Ultra), X2 3800 w/AMD heatpipe cooler, 2x 512MB Crucial Balistix, ATI X300, WD 250GB IDE, Samsung 16x DVD/RW

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