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My New Power Supplies

I am planning on upgrading my computer totally. I am getting an Intel Core i7-2700K Sandy Bridge 3.5GHz (3.9GHz Turbo) LGA 1155 95W Quad-Core Desktop Processor Intel HD Graphics 3000 BX80623i72700K, CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model CMZ8GX3M2A1600C9B, and an EVGA 025-P3-1579-AR GeForce GTX 570 (Fermi) HD 2560MB 320-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card. I am just wondering what power supply I should get for these new upgrades. I would be very happy if someone could recommend me one. Thanks!
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  1. Best answer
    For a system using a single GeForce GTX 570 graphics card NVIDIA specifies a minimum of a 550 Watt or greater power supply that has a combined +12 Volt continuous current rating of 38 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors.

    The XFX ProSeries 550W Core Edition (P1-550S-XXB9), with its combined +12 Volt continuous current rating of 44 Amps and with one 6-pin and one (6+2)-pin PCI Express supplementary power connectors, is sufficient to power your intended system configuration with a single GeForce GTX 570.

    @ Newegg.com for $74.99
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013


    For a system using two GeForce GTX 570 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 800 Watt or greater power supply that has a combined +12 Volt continuous current rating of 56 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

    The Corsair Enthusiast Series TX750 V2 (CMPSU-750TXV2), with its combined +12 Volt continuous current rating of 62 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your intended system configuration with a single GeForce GTX 570. It is also sufficient to power your intended system configuration with two GeForce GTX 570 in 2-way SLI mode.

    @ Newegg.com for $109.99 ($89.99 after mail-in rebate card)
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021
  2. For a system using a single GeForce GTX 570 graphics card NVIDIA specifies a minimum of a 550 Watt or greater power supply that has a combined +12 Volt continuous current rating of 38 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors.

    The XFX ProSeries 550W Core Edition (P1-550S-XXB9), with its combined +12 Volt continuous current rating of 44 Amps and with one 6-pin and one (6+2)-pin PCI Express supplementary power connectors, is sufficient to power your intended system configuration with a single GeForce GTX 570.

    @ Newegg.com for $74.99
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817207013


    For a system using two GeForce GTX 570 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 800 Watt or greater power supply that has a combined +12 Volt continuous current rating of 56 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

    The Corsair Enthusiast Series TX750 V2 (CMPSU-750TXV2), with its combined +12 Volt continuous current rating of 62 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is more than sufficient to power your intended system configuration with a single GeForce GTX 570. It is also sufficient to power your intended system configuration with two GeForce GTX 570 in 2-way SLI mode.

    @ Newegg.com for $109.99 ($89.99 after mail-in rebate card)
    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021
    Okay thank you so much! I am very grateful for you to help. I am getting the XFX Core Edition PRO550W (P1-550S-XXB9) 550W ATX12V 2.2 & ESP12V 2.91 SLI Ready CrossFire Ready 80 PLUS BRONZE Certified Active PFC Power Supply.
  3. Best answer selected by zabuscus.
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