Needed number of watts for system
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  1. #1
    Join Date
    Jul 2004
    Posts
    8

    Needed number of watts for system

    Atm I'm building a new computer system:

    Athlon 64 3500+ (S939)
    Abit AV8 K8T800 (S939)
    GF6800 GT
    WD Raptor 74 GB
    Seagate Barracuda SATA 7200.7 160GB
    1 GB OCZ DDR400 (up to 2 GB in future probably)
    DVD drive, floppy, DVD burner possibly in future
    Audigy 2 ZS Sound
    ISDN adaptor
    + PCI TV card possibly in future
    Cooldrive 4 for the Raptor and looks

    And perhaps an extra PATA (IDE) drive and a PCI cooling card.

    What 'number of watts' PSU do you think I'd need to run this lot stable? I'm currently thinking an Antec Truepower 480 Watt, but I haven't got experience to tell me whether this is enough.

  2. #2
    Join Date
    Nov 2001
    Location
    NW OREGON
    Posts
    369

    Re: Needed number of watts for system

    Antec is supposedly capable of supplying the rated power continuously . Your power supply is more than big enough.
    My web machine
    ~Econobox 60W~
    Power consumption at the plug while web browsing: 60W
    It's very quiet.

    Intel D815EEA2 Desktop board
    Intel Celeron 1.0A @ 1.0GHz w/ Intel Fan
    ATI Xpert98 8MB AGP 2x videocard
    Sound Blaster PCI 128 soundcard
    WD 40GB ATA100 7200RPM HDD (8.4GB 5400RPM ATA33 circa 1999 Maxtor decommissioned and eBay'd off)
    384MB PC100 (3 x 128MB)
    40x12x48 BTC CD-RW
    300W Enlight PSU
    100% normal looking case. Certified free of fruity, sad looking, PC rice mods.

  3. #3
    Join Date
    Mar 2000
    Posts
    27,252
    You can also take a look at the following existing thread, LINK
    "I know nothing."
    Cheers.

  4. #4
    Join Date
    Dec 1998
    Location
    Grand Haven, Michigan, USA
    Posts
    11,332
    That should be plenty.

    I would drop the hard drive cooler and just have a good case with a fan that blows over the hard drives. Those Raptor drives have some very impressive fluid bearings and really do not get that hot or noisy compared to even older 7200RPM drives.

    I also just posted that NewEgg just got in the Antec NeoPower 480w and has a $30 rebate right now. It is the latest and greatest from Antec at a nice $150. It has a 120mm fan and all the power cables are removable and modular and they have connectors for 24 and 20 pin ATX along with SATA, Molic, 3 pin, 4 pin power, and even 6 pin PCI-E connectors. They also have a fan connector for thermallt controlled fans. It also has dual 12v rails with completely seperate power for a combined ~380w.

    http://discussions.hardwarecentral.c...hreadid=158937
    AMD Phenom II x4 945 3Ghz | ASUS M4A77TD | 2X WD 1TB SATA 2 hard drive | 2x2GB Corsair XMS3 | nVidia GeForce 8800 GTS | ATI TV Wonder Theater Pro 550 | Antec P-160 case | Antec 650w Earth Watts | LG Blu-ray Super Drive | LG DVD RW | Windows 7 Pro

  5. #5
    Join Date
    Dec 1998
    Location
    Grand Haven, Michigan, USA
    Posts
    11,332
    Oh and this is a link to a power calculator for computers. It is not the most accurate, but it will give you an idea of around what you need. They are pretty close on the power supply and graphics cards, but they are a bit high on the ratings for the drives and such. They list hard drives as 25w, but I checked Maxtor's 7200 RPM drives and they are only about half that. The same is likely true for the optical drives and things like USB devices.

    The GeForce6800U is 110w and that CPU you are looking at is likely around 90w. Suprizingly that Raptor drive actually uses less power than the Maxtor at about 7.8w. It disapates only slightly more (from friction) at 8.9w. Really you could probably get by with an Antec 380w or 430w just fine, but 480w is BETTER!

    http://www.jscustompcs.com/power_supply/
    AMD Phenom II x4 945 3Ghz | ASUS M4A77TD | 2X WD 1TB SATA 2 hard drive | 2x2GB Corsair XMS3 | nVidia GeForce 8800 GTS | ATI TV Wonder Theater Pro 550 | Antec P-160 case | Antec 650w Earth Watts | LG Blu-ray Super Drive | LG DVD RW | Windows 7 Pro

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