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power supply

  1. Power Supply upgrade

    Windows Computing
    Hi All. I have an HP Pavillion 9040n PC with Vista. I am trying to upgrade my current graphics card (NVIDIA GeForce 8400 GS graphics card) to a Radeon HD 6450. This new card requires a minimum 400w power supply and the PC only has a 300w PSU. Can anyone recommend a PSU around 600w that...
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