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Thread: HELP in choosing PSU wattage

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    Question HELP in choosing PSU wattage

    Hi, can anyone tell me how much watt am i suppose to use for my build.
    This build is for 3d rendering, video editing, and online gaming.
    Planning to overclock, and most probably sli.
    Here is the build...

    "PCPartPicker part list: http://pcpartpicker.com/list/FxVRFd
    Price breakdown by merchant: http://pcpartpicker.com/list/FxVRFd/by_merchant/

    CPU: Intel Core i7-6700K 4.0GHz Quad-Core Processor ($318.99 @ NCIX US)
    CPU Cooler: Corsair H100i 77.0 CFM Liquid CPU Cooler ($127.88 @ OutletPC)
    Motherboard: MSI Z170A GAMING PRO ATX LGA1151 Motherboard ($199.88 @ OutletPC)
    Memory: Corsair Vengeance LPX 16GB (2 x 8GB) DDR4-3000 Memory ($84.99 @ NCIX US)
    Storage: Samsung 850 EVO-Series 120GB 2.5" Solid State Drive ($139.89 @ OutletPC)
    Storage: Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($49.49 @ OutletPC)
    Video Card: Gigabyte GeForce GTX 1070 8GB Windforce OC Video Card ($389.99 @ B&H)
    Case: Phanteks Enthoo Pro ATX Full Tower Case ($79.99 @ Newegg)

    Total: $1391.10
    Prices include shipping, taxes, and discounts when available
    Generated by PCPartPicker 2016-10-29 08:44 EDT-0400"

    Right now PCPartPicker says it requires 320W, and if i add another GPU (for sli in the future) it said 520W.

    But OuterVision PSU calculator said with one GPU it needs less than 450W and wit 2-way sli needs less than 600W.

    "OuterVision PSU Calculator part list http://outervision.com/b/06bY1E

    Motherboard: Desktop
    Socket: Socket LGA 1151
    CPU: 1 x Intel Core i7-6700K
    CPU Speed: 4000MHz
    CPU Vcore: 1.2V
    CPU Utilization: 90%
    Memory: 2 x 8GB DDR4 Module
    Video Card Set 1: 1 x NVIDIA GeForce GTX 1070
    Core Clock: 1506MHz
    Memory Clock: 2002MHz
    Storage: 1 x SSD
    Storage: 1 x SATA 7.2K RPM
    Other Device: 1 x Fan Controller / Bay with LCD
    Other Device: 2 x LED strip light - 15 LEDs (12"/30cm)
    Keyboard: 1 x Gaming Keyboard
    Mouse: 1 x Gaming Mouse
    Fan: 3 x 140mm
    Fan: 1 x 120mm
    Liquid Cooling Kit: 1 x Corsair Hydro H100i v2
    Computer Utilization: Always On (24/7)

    Load Wattage: 364W
    Recommended Wattage: 414W
    Amperage: +3.3V: 10.3A, +5V: 9.6A, +12V: 27.6A
    Recommended UPS Rating: 700VA
    Generated by OuterVision PSU Calculator 2016-10-29 08:49:27"

    So the main question, is a 600/650W PSU enough? (considering that PC components are getting more and more efficient these days).

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    RM550X or EVGA G2 550W.

    550W is plenty for your system, even if you want to add another GTX 1070 in the future.

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    say7essica (10-30-2016)

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    quest for silence is offline Silencer & heathen relic of a human (™ by OW)
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    Quote Originally Posted by say7essica View Post
    But OuterVision PSU calculator said with one GPU it needs less than 450W and wit 2-way sli needs less than 600W.

    "OuterVision PSU Calculator part list http://outervision.com/b/06bY1E
    Outervision is badly wrong (as always).


    Quote Originally Posted by say7essica View Post
    So the main question, is a 600/650W PSU enough? (considering that PC components are getting more and more efficient these days).
    Check actual data on web (for instance [H]ardOCP have some), that will help you than any PSU "calculator".

    For a SLI the expected power draw should be around 400W while gaming, so any 500-550W is fine (providing it sports enough PEG connectors); BTW, very rarely a 2nd card is added, you should start with a SLI since scratch, or give up with such an idea: as a matter of fact, when the relevant time comes, very often it's better to upgrade the existing card with a new generation GPU than adding a second sibling.
    Best, Luca

  5. The Following 2 Users Say Thank You to quest for silence For This Useful Post:

    Chipskate (10-29-2016), say7essica (10-30-2016)

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