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Titan Black SC SLI PSU Requirement (Update after purchase)

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trawetSluaP
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2014/07/25 15:28:21 (permalink)
Hi,

I'm considering getting a second one of these cards as I can pick it up cheap, however I currently have an 860W PSU and was wondering if that'd be sufficient or if I'd need to upgrade it?

I did have a look online but couldn't find any conclusive information.

PSU: Corsair AX860, Platinum efficiency.
post edited by trawetSluaP - 2014/08/06 14:14:16

Case: Phanteks Enthoo Elite
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#1

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    MADOGRE
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 15:41:17 (permalink)
    You should be fine, your system and both cards should come in the 750 watt range.


    http://www.heatware.com/eval.php?id=67265 
     
    #2
    howdyho1
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 16:11:18 (permalink)
    Here's an article from EVGA on power supply buyer's guide.  According to that, it should meet your needs.
     
    http://www.evga.com/articles/00722/
     
     

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    #3
    _JamesR
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 19:08:31 (permalink)
    You should be okay with that PSU, especially if it is a Platinum rated unit, but it would be a bit too on the edge for me, personally. I'd move up to a 1000w, especially if any issues crop up over time.

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    #4
    Speedrookie
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 21:36:55 (permalink)
    The 860 is plenty enough I have it and I don't even reach close to my power requirements!

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    HeavyHemi
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 22:15:01 (permalink)
    Speedrookie
    The 860 is plenty enough I have it and I don't even reach close to my power requirements!


    You're only running a single 780 Classified.

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    Speedrookie
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 22:23:10 (permalink)
    HeavyHemi
    Speedrookie
    The 860 is plenty enough I have it and I don't even reach close to my power requirements!


    You're only running a single 780 Classified.




    I did not notice. OMG really im only running 1? I thought I have 16! Its why I said "I don't even reach close to my power requirements!"

    CPU: Intel® Core i7-6700K OC @4.6GHz
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    #7
    HeavyHemi
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 22:40:56 (permalink)
    Speedrookie
    HeavyHemi
    Speedrookie
    The 860 is plenty enough I have it and I don't even reach close to my power requirements!


    You're only running a single 780 Classified.




    I did not notice. OMG really im only running 1? I thought I have 16! Its why I said "I don't even reach close to my power requirements!"


    He's going to be running two. OMG you didn't notice?  Less snark, more paying attention to detail.

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    RDKing2
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/25 23:51:57 (permalink)
    As said it should be enough.  Note: A friend put in two 780 ACX cards with a new Corsair 860.  Crashed when gaming and he does not overclock.  He went up to a 1000w (I recommended 1200w).  Have seen other instances of this with Corsair PSU's and cheaper ones.
    post edited by RDKing2 - 2014/07/25 23:54:01
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    bob16314
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/07/26 00:34:46 (permalink)
    The Titan Black is a 250W card (21A @ 12V), with some independent testing/reviews measuring the peak power draw slightly higher at around 267W (22.25A).
     
    You can get a good idea of your total system wattage requirement using this PSU calculator..While your total system wattage requirement is important, a crucial factor in power supply selection/suitability is amperage on the +12v rail(s).
     
    One Titan Black *can* draw up to 75W (6.25A) from the PCIe slot itself..The card can draw up to 75W (6.25A) from the 6-pin PEG connector and 150W (12.5A) from the 8-pin PEG connector for a total of 300W which is known as meeting the PCI-SIG 300W specification..Total amperage the card *can* allow itself to draw through it's VR circuitry is 25A.
     
    The Corsair AX860 has a pretty hefty 71A single +12v rail..As long as it meets your system wattage requirement estimated in the PSU calculator it *should* be good with Titan Blacks in a 2-way SLI configuration. 
     
    post edited by bob16314 - 2014/07/26 00:38:55

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    #10
    trawetSluaP
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    Re: EVGA Titan Black Superclocked SLI PSU Requirement. 2014/08/06 14:14:22 (permalink)
    Hi again, got the second card set-up but am running into a small issue;
     
    Under certain circumstances such as playing demanding games like Assetto Corsa, I get massive framerate drops until the game black screens but audio and controller feedback continue.

    Is this a sign that I have a dodgy card? Or that the PSU is simply struggling with the power requirements?

    Case: Phanteks Enthoo Elite
    CPU: i9-7900X
    Motherboard: Rampage VI Extreme
    RAM: Corsair Dominator Platinum 32GB 3200 MHz
    GPU: RTX 2080 FE
    Storage: 960 Pro 512GB, 2 x  840 Evo 250GB
    PSU: EVGA SuperNOVA 1200 P2
    Monitor: HP Omen 27i, MX27AW
    Custom Watercooling Loop
    Aquaero 6 XT
     
    #11
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