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Thread: Need help With Power Supply Upgrade

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    Default Need help With Power Supply Upgrade

    i Just purchased dell xps 8700 and i want to upgrade the video card to Evga Gtx 760 Sc but i have to upgrade power supply also because dell come with 460w psu and gtx 760 recommend 500w so my question is this how much watt do i need dell told me 650w and the computer guy close to my house told me 1000w so im confused can someone help me please?
    Here the specs of my pc:
    I7-4770
    32Gb Ram
    2X 256Gb Ssd
    2X 2Tb Hdd
    Blu-Ray+Dvd-Rw Combo
    Mediacard reader
    Gtx 760 SC
    Dell Motherboard

    Do i need (600w,650w,700w,750w,800w,850w,etc)
    I was looking at different Psu and also dont know which one to go for:
    700w+:
    Coolermaster V700 : Newegg 150$
    Corsair Ax 760 : Newegg 175$
    Seasonic X-Series 750w: Newegg 175$ (but those 2 AX and X really expensive)
    Corsair Hx-750 : Newegg 155$
    Corsair TX-750: Newegg 125$
    Seasonic G-750W: Newegg 160$
    Seasonic M12ll 750W: Newegg 125$
    600W+:
    Seasonic X650: Newegg 170$
    M12ll 620W: Newegg 100$
    M12ll 650W: Newegg 105$
    G-Series 650W: Newegg 115$

    Corsair Hx-650W:Newegg 120$
    Corsair Tx-650W: Newegg 100$
    Sorry if this post i long but like i said im comfused and i need help to figure out how much wattage i need and to figure out which is better (manucfaturer) So Can someone help me please Thanks in advance...

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    The Seasonic G-Series 650 looks like the best choice to me. Don't listen to that guy that says you need 1000 watts. If the GPU alone was to draw 500 watts, things would be getting a little melty.

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    i wont be to tight because i heard for the computer guy (dont know if its true) but if you dont have big enough psu it could fry the motherboard?

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    The PSU in the Dell is probably enough, do you have a product number?

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    Quote Originally Posted by 5104steve View Post
    Do i need (600w,650w,700w,750w,800w,850w,etc)
    No, you don't.
    A good 450W is enough...

    Quote Originally Posted by 5104steve View Post
    I was looking at different Psu and also dont know which one to go for:
    700w+:
    Why?! Who told you you'd need that much!?

    I don't understand why people without any knowledge about PSUs tend to recomend such high wattages. With a 700W you can power at least two graphics cards, maybe even three...

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    A Seasonic G-550 would be my recommendation. 550W will cover any single-GPU setup.

    The bit about killing the board is wrong too (unless you have a really cheap and nasty power supply). The worst thing that will happen on any half decent PSU is that it will shut off when the computer is under load.

    EDIT: I didn't read the first part properly. Your current 460W power supply will be enough for a GTX760.
    No wonder it doesn't work! You installed the coils backwards

    Main PC: Core i7 3770K 3.5GHz, Gigabyte GA-Z77M-D3H-MVP, 8GB Kingston HyperX DDR3 1600, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, CoolerMaster N200 Case, Delta DPS-600MB 600W PSU, Hauppauge TV Tuner, Windows 7 Home Premium.

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    http://www.ebay.com/itm/Dell-XPS-850...item3cdce58cdb

    Assuming it's the same PSU. It has 2 6-pins connectors, so be mindful of connectivity required for the version of 760 you want to buy, as you might need 6-pin to 8-pin adapter or two. Rail distribution might also be an issue, especially if OC is in question.

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    i cant keep dell psu as it only has 1 6 pin connector and the new evga graphic card needs 1x 6 pin and 1x 8 pin.so reading all the reply i could even go for 550w or 600w ok even if i have i7 and 32 gb ram that dont affect anything right?the person that told me i needed 850w and even 1000w was the local computer guy he owns a store near my house.

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    Again, whats the product number? Its probably enough...

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    Quote Originally Posted by 5104steve View Post
    i cant keep dell psu as it only has 1 6 pin connector and the new evga graphic card needs 1x 6 pin and 1x 8 pin.so reading all the reply i could even go for 550w or 600w ok even if i have i7 and 32 gb ram that dont affect anything right?the person that told me i needed 850w and even 1000w was the local computer guy he owns a store near my house.

    If that's different PSU and has only one 6-pin, then it needs to go.

    That local computer guy doesn't know jack squat. 850W would be overkill even for 760 SLI, nevermind single card. One 760 has maximum power consumption around 160-180W.

    Seasonic G-550 will be fine.

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