Installing a new graphics card

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  1. Posts : 150
    Windows 7 Ultimate x32
    Thread Starter
       #71

    When I was on the specs of a power supply, this came up under DC Output and Max Load.

    DC Output +3.3V +5V +12V4 -12V +5Vsb Max Load 28A 23A 20A 0.3A 2.0A

    Which 2 is it that I must look at?
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  2. Posts : 1,496
    7 Ultimate x64
       #72

    What you're looking at is a quad +12 volt rail PSU... that isn't actually telling you the amperage of each 4 rails. Typically, they spread the load evenly across each rails, but not always. I suppose we are to assume that each has 20 amps. However, it would be nice if they came out and said so.

    Do you have a link for this?
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  3.   My Computer


  4. Posts : 1,496
    7 Ultimate x64
       #74

    You don't want this. Their labeling (+12V4) suggests it's a multi-rail unit; however, on the site they say, "dedicated single +12 volt rail". If that's the case, and that single rail is only 20 amps strong, it's not nearly enough.

    I know you're on a budget, and I don't normally advise multi-rail psu's, but this would be much better: http://www.novatech.co.uk/novatech/p...500SXS-UK.html

    So would this, but it would not last you as long into the future: http://www.novatech.co.uk/novatech/p...U-400CXUK.html
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  5. Posts : 150
    Windows 7 Ultimate x32
    Thread Starter
       #75

    Ok, so make sure it does say +12V volt rail and make sure its at least 30A? Some people are also talking about a 6-pin PCI connector or a 4 pin molex cable. What do they mean by this?
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  6. Posts : 1,496
    7 Ultimate x64
       #76

    There are two types of pci-e (pci-express) connectors for graphics cards: 6 pin and 8 pin. These plug directly into the graphics card (if the graphics card requires a 6 pin connection).

    There are several types of molex connectors, 3 pin, 4 pin, floppy, etc etc. Molex is more of a generic term that describes the plastic connectors on the board, hdd's, floppy drives, fan connectors, etc.

    btw, check my previous post, I've linked two inexpensive psu's from that site for you.
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  7. Posts : 150
    Windows 7 Ultimate x32
    Thread Starter
       #77

    Fumz said:
    There are two types of pci-e (pci-express) connectors for graphics cards: 6 pin and 8 pin. These plug directly into the graphics card (if the graphics card requires a 6 pin connection).

    There are several types of molex connectors, 3 pin, 4 pin, floppy, etc etc. Molex is more of a generic term that describes the plastic connectors on the board, hdd's, floppy drives, fan connectors, etc.

    btw, check my previous post, I've linked two inexpensive psu's from that site for you.
    Oh I get you now. I saw many cables coming from the power supply and connecting into different hardware. If the molex connectors don't have enough pins for certain hardware, can I buy adapters or something? Or should they all definitely fit? & what if there isn't enough molex connectors?

    Thanks for the link by the way
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  8. Posts : 1,496
    7 Ultimate x64
       #78

    There will be more than enough cables and connectors.
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  9. Posts : 150
    Windows 7 Ultimate x32
    Thread Starter
       #79

    Haha ok, I just don't want to be short and then sit there like a fool. :P
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  10. Posts : 4,280
    Windows 7 ultimate 64 bit / XP Home sp3
       #80

    Just tot add a litle, I like to try and stay at a minimum of 28A on the 12v rail.It should do the trick. Fabe
      My Computer


 
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