I need a PSU and I need one fast!

Hi-
Here is my situation. I am building a computer, and right now only have the case. After I hooked up the fans (1x 120mm, 1x 80mm, 1x 140mm), the computer wouldn't start. All the fans would make about 1/4 revolution, and that is IT. I know that it is the PSU because it's only a $20 400w supply. I am going to need a new one anyway, due to the new components that I am looking at, but I wasn't expecting it to be this soon. The current estimated wattage is 313w, but with 2-way SLI it comes to 513. Will a Corsair CX Series Modular CX600M be enough to have 2 GPU's later on? Or should I get the 750w one? Again, I need to get just the supply this week, and the other components will come sometime after Christmas.
9 answers Last reply
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  1. Seasonic is the best in the business.

    650w is perfect for your needs.


    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: XFX 650W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($59.99 @ NCIX US)
    Total: $59.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-09-07 21:47 EDT-0400)
  2. I would avoid the CX series

    Sizewise ....find ya card here....

    http://www.geforce.com/hardware/desktop-gpus

    Click on it and then select "Specifications" on left

    Scroll down and add the "Minimum System Power Requirement " (covers system + one GFX card) and "Maximum Graphics Card Power" (covers 2nd card) together for system requirement on non overclocked system

    Example

    http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-650ti-boost/specifications

    Quote:
    Thermal and Power Specs:
    97 C - Maximum GPU Temperature (in C)
    134 W - Maximum Graphics Card Power (W)
    450 W - Minimum System Power Requirement (W)4
    One 6-pin - Supplementary Power Connectors


    Stock system....Corsair TX, XFX Core Edition, Seasonic M12 .... Overclocked system - Corsair HX / AX, Seasonic X
  3. Thanks for the help. Gor my GPU, i need a 8pin and 6 pin connector to power it. Are there any modular PSU's from seasonic with those connectors? Also, would 600 watts be enough power for 2-way SLI?
  4. PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: XFX ProSeries 750W 80 PLUS Gold Certified ATX12V / EPS12V Power Supply ($89.99 @ NCIX US)
    Total: $89.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-09-08 11:19 EDT-0400)
  5. Is there anything that is avaliable for pickup in the Asheville, NC area? The zip codes are: 28801, 28803, 28704.
  6. Any retailers in your area Microcenter etc?
  7. Just Bestbuy, unfortunately. And thy dont carry the XFX products :(
  8. Jacob McIntosh said:
    Thanks for the help. Gor my GPU, i need a 8pin and 6 pin connector to power it. Are there any modular PSU's from seasonic with those connectors? Also, would 600 watts be enough power for 2-way SLI?


    In the post above yours I used a 650 Ti Boost as an example... you can use that site for all cards

    Quote:
    Thermal and Power Specs:
    97 C - Maximum GPU Temperature (in C)
    134 W - Maximum Graphics Card Power (W)
    450 W - Minimum System Power Requirement (W)4
    One 6-pin - Supplementary Power Connectors


    450 watts for system w/ 1st card + 134 for the 2nd so according to nVidia ya need 584 watts minimum

    So that would be a 650 if not overclocking anything, a 750 if ya are.

    Quote:
    Thermal and Power Specs:
    98 CMaximum GPU Temperature (in C)
    230 WGraphics Card Power (W)
    600 WMinimum Recommended System Power (W)
    One 8-pin and one 6-pinSupplementary Power Connectors



    If it's a 770.....

    http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-770/specifications

    Quote:
    Thermal and Power Specs:
    98 C - Maximum GPU Temperature (in C)
    230 W - Graphics Card Power (W)
    600 W - Minimum Recommended System Power (W)
    One 8-pin and one 6-pin - Supplementary Power Connectors


    600 + 230 = 830 minimum .... bigger if overclocking

    As for the modular thing.....modular provides no advantage and some disadvantages. No sense in making a cable modular if it absolutely must be used. All it does is add another failure point an extra resistance / cost.

    Most quality PSUs are what's called semi-modular. All the cables that absolutely must be used are hard wired....all the optional ones are modular.
  9. Look for an Antec or Corsair in the 750w range at Best Buy.They don't carry too many good units.
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