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Hot!Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI

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Fredski
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2018/12/21 03:29:51 (permalink)
So I'm rocking 9900k, currently set up in 95W TDP, but that will be changed once the AIO arrives. 2 m.2 and 4 sticks of ram plus sound card. Planning on going with 2x Black Edition with NVLink instead of going with one FTW3, the idea is to put the hybrid coolers once they are in stock. Do I need to invest in bigger PSU ?
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    Sajin
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 03:36:09 (permalink)
    No. You'll need a 1200 or 1300w.
    post edited by Sajin - 2018/12/21 03:44:45

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    SprayingMango
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 05:19:34 (permalink)
    I'm running overclocked SLI 2080Ti's with a 7900X and iCue shows my AX1600i pulling 1,000 watts under load at times. I would not cut it that close for your system. Like Sajin said, get something with some headroom. 

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    Viper453
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 11:18:49 (permalink)
    SprayingMango
    I'm running overclocked SLI 2080Ti's with a 7900X and iCue shows my AX1600i pulling 1,000 watts under load at times. I would not cut it that close for your system. Like Sajin said, get something with some headroom. 




    well you do have 15 case fans and a 10 core cpu

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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 11:20:32 (permalink)
    Viper453
    SprayingMango
    I'm running overclocked SLI 2080Ti's with a 7900X and iCue shows my AX1600i pulling 1,000 watts under load at times. I would not cut it that close for your system. Like Sajin said, get something with some headroom. 




    well you do have 15 case fans and a 10 core cpu


    True but you still need more overhead regardless

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    JacobB
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 11:30:10 (permalink)
    Fredski
    So I'm rocking 9900k, currently set up in 95W TDP, but that will be changed once the AIO arrives. 2 m.2 and 4 sticks of ram plus sound card. Planning on going with 2x Black Edition with NVLink instead of going with one FTW3, the idea is to put the hybrid coolers once they are in stock. Do I need to invest in bigger PSU ?


    I would recommend higher. Please also keep in mind that even though the CPU is rated at 95 TDP, This is the rating at which you should purchase your cooler for. The CPU can pull more wattage than 95 watts. I would say with two of these in SLI, I would recommend at least 1200. Personally, I would just get a 1600 especially if you plan on overclocking anything in your system.
     
    -Jacob B.
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    Sajin
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 12:34:07 (permalink)
    I pull like 920+ watts with my 5960 @ 4.4 ghz & two 2080 ti's.

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    bcavnaugh
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 12:38:33 (permalink)
    @Fredski You could add another Power Supply.
    My solution was to use two Power Supplies.
    You could use the 1000 Watt Titanium PSU for the Graphics Cards and get an 850 for the Motherboard and all the features you install.
    You would use the 6-Pin Cable for the Motherboard for Extra Power for the Motherboard PCIe Slots and 4 PCIe Power Cables for the two Graphics Cards from your Titanium PSU and all the rest on the 850 Watt PSU.
    EVGA SuperNOVA 1000 T2, 80+ TITANIUM 1000W, Fully Modular, EVGA ECO Mode, 10 Year Warranty , Includes FREE Power On Self Tester Power Supply 220-T2-1000-X1
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    You would use the 6-Pin Cable for the Motherboard for Extra Power for the Motherboard PCIe Slots from the 850 Watt PSU.
    Another nice feature is you can share Cables between both of the Above Power Supplies.
    Running two RTX Cards
     
    I run mine on the Left UPS Unit that is the Main PSU for the MB

     
    This one I tested with the 6-Pin on the same PSU as the Graphics Cards the Right UPS Unit.

    post edited by bcavnaugh - 2018/12/21 12:53:40


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    arestavo
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 12:38:51 (permalink)
    FWIW, I'm rocking a 1000W Platinum Seasonic (until I put in a new EVGA 1600 Titanium) that powers a 6950X at 4.4GHz, 8 sticks (64GB) of 3200MHz RAM (overclocked and overvolted), SLI'd 1080 Ti's at 2025MHz with a 500MHz VRAM OC, a PCIE SSD, a dual port 10GbE card, a RAID card, and eight 7200RPM WD Blacks.
     
    No issues at all. That said, the 1000W PSU was there for a single card. For the long term health of your system it is a REALLY good idea to have power to spare, and will save on your power bill (efficiency drops at/near 100% PSU usage).

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    Cool GTX
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 13:03:52 (permalink)
    The rule of thumb for PSU size is only pulling 80% of the Max rated load
     
    So, with a 1000W PSU - your PC should pull around 800W. 

    I'm not saying you can't run a 1000W PC on a 1000W PSU; just saying stability & longevity will be compromised. 

         ---> Just because you can - doesn't mean you should 


     
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    Viper453
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 13:17:15 (permalink)
    I might be cutting it pretty close with my 6 yr old 1200 watt :(

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    bcavnaugh
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 14:05:15 (permalink)
    Viper453
    I might be cutting it pretty close with my 6 yr old 1200 watt :(

    Indeed


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    thecow
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 14:21:03 (permalink)
    IDK I ran 6 video cards off a Seasonic 1000 Plat 4x 1070Ti and 2x 1080 Ti. Pulled close to 960 from the wall. In my main computer I had x 1080 Ti overclocked with a i7 7700K. barely drew 800. I think 1K PSU from a good brand is safe. Remember it loses 10% from the wall to your computer. So pulling 960 from the wall was actually 864 out of 1000.
     
    With the voltage limit the RTX 2080 Ti only pulled 300watts. 2x is 600 and a CPU overclocked is 200. That leaves 200 for the rest of the system. You are more than safe.
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    bcavnaugh
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 14:28:16 (permalink)
    thecow
    IDK I ran 6 video cards off a Seasonic 1000 Plat 4x 1070Ti and 2x 1080 Ti. Pulled close to 960 from the wall. In my main computer I had x 1080 Ti overclocked with a i7 7700K. barely drew 800. I think 1K PSU from a good brand is safe. Remember it loses 10% from the wall to your computer. So pulling 960 from the wall was actually 864 out of 1000.
     
    With the voltage limit the RTX 2080 Ti only pulled 300watts. 2x is 600 and a CPU overclocked is 200. That leaves 200 for the rest of the system. You are more than safe.

    This sound more like a Mining Rig and not a Gaming Rig.


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    GGTV-Jon
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 18:52:49 (permalink)
    thecow
    IDK I ran 6 video cards off a Seasonic 1000 Plat 4x 1070Ti and 2x 1080 Ti. Pulled close to 960 from the wall. In my main computer I had x 1080 Ti overclocked with a i7 7700K. barely drew 800. I think 1K PSU from a good brand is safe. Remember it loses 10% from the wall to your computer. So pulling 960 from the wall was actually 864 out of 1000.
     
    With the voltage limit the RTX 2080 Ti only pulled 300watts. 2x is 600 and a CPU overclocked is 200. That leaves 200 for the rest of the system. You are more than safe.




    Its fine to run your mining rig at 80-90% and the lowered power efficiency considering you will hopefully recoup the cost of a burned out PSU and increased power bill.
    Peak power efficiency is generally at around 50% load
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    TheMadDutchDude
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/21 20:06:24 (permalink)
    Nope... peak power efficiency is not true and is often for the majority of the range, not just 50%.

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    Fredski
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/28 12:17:05 (permalink)
    Gamers Nexus reported under 1KW power draw on RTX Titan/2080ti in SLi also recently LTT in their video used 1KW PSU for SLi build with 2080ti's.
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    bcavnaugh
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/28 14:12:52 (permalink)
    Fredski
    Gamers Nexus reported under 1KW power draw on RTX Titan/2080ti in SLi also recently LTT in their video used 1KW PSU for SLi build with 2080ti's.

    You should post a link to your statement or comment.


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    GTXJackBauer
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/28 15:30:54 (permalink)
    GGTV-Jon
     
     
    Its fine to run your mining rig at 80-90% and the lowered power efficiency considering you will hopefully recoup the cost of a burned out PSU and increased power bill.
    Peak power efficiency is generally at around 50% load


     
    TheMadDutchDude
    Nope... peak power efficiency is not true and is often for the majority of the range, not just 50%.


    Sorry Mad but I'm with Jon on this one.  You usually get peak power efficiency around 50% and it gradually decreases from that range, plus or minus. 



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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/28 15:39:00 (permalink)
    Easy rule of thumbs on PSU's
     
    Always buy the best one.
    When in doubt, always buy the biggest (or at least bigger) one.
     
    So many god awful weird issues come up with power supplies and we swear they could not be the power supply, turn out to be psu related.

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    Fredski
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/29 02:43:28 (permalink)
    bcavnaugh
    Fredski
    Gamers Nexus reported under 1KW power draw on RTX Titan/2080ti in SLi also recently LTT in their video used 1KW PSU for SLi build with 2080ti's.

    You should post a link to your statement or comment.


     
    https://youtu.be/4-fzflZAWME
     
    https://youtu.be/sCfmM71NOTo
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    bcavnaugh
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2018/12/29 11:56:02 (permalink)
    Fredski
    bcavnaugh
    Fredski
    Gamers Nexus reported under 1KW power draw on RTX Titan/2080ti in SLi also recently LTT in their video used 1KW PSU for SLi build with 2080ti's.

    You should post a link to your statement or comment.


     
    https://youtu.be/4-fzflZAWME
     
    https://youtu.be/sCfmM71NOTo


    Yes the Cards Pull Less that 1KW but add the rest of the Computer in the Mix and they can go over 1KW.
    Mine Added Up are Over a 1000 Watts, but users are free to install what they feel good with.
    I go with my real world testing for what I use my Cards for, not staying you are wrong or right only each system will not be the same.
    GPUs are on the Right UPS Unit.


    post edited by bcavnaugh - 2018/12/29 12:17:29


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    AdamB170
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/12 16:58:52 (permalink)
    Hi guys. Thought I'd chime in with kinda the reverse problem. I've just bought the t2 1000w and am worried it is way to much for what I need. I got it because it was 40quid cheaper than the 850 I was looking at? Free next day delivery and all that. Can't find a way to list my pc specs so here they are. Hero xi mb. 9900k.Evga ftw3 1080ti. 1tb evo 970 m.2. 6x140mm fans. H100i v2 cooler. Sound blaster z. Rgb strips. K65 keyboard. G 502 mouse. 16gb3200cl14 ram. There's no harm to having to much wattage is there? I mean I could very well go sli at some point given the crazy price of the 2080ti. Wanted to change my trusty CS750M because I want to change my cabling a bit. Need 2 cpu cables to fill the 8 and 4 pin cpu socket on my board. Also wanted individual cables for my 1080ti instead of one cable splitting into 2. When I first used the cooler master calculator it gave me a draw of over 700w so figured a 1000w would be perfect. Every other calculator I've used since placing my order is giving me about 400w :-S typical. Also on scans website it says the only 2 psu that beat it are the 850 and 1600 versions? Is the 1000w inferior to those? Is that why it was cheaper? Thanks for any advice,Adam.
    #23
    GGTV-Jon
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/12 17:25:37 (permalink)
    The PSU will only draw / output what is needed, for the most part it is just going to idle along without working too hard.
     


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    AdamB170
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/12 18:39:12 (permalink)
    GGTV-Jon
    The PSU will only draw / output what is needed, for the most part it is just going to idle along without working too hard.
     


    GGTV-Jon
    The PSU will only draw / output what is needed, for the most part it is just going to idle along without working too hard.
     



    Good to know, some calculators are giving me a max load when oc'd as over 700w so I probably should be getting something better anyway. From the same seller the 850w was £230 and the 1000w was £189. So wnet with that one. Thanks. 
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    rjbarker
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/12 19:22:58 (permalink)
    The one thing you have to remember ...you'll never fully load both the CPU (9900K say 5 Ghz @ 1.35v = around 300w) & Gpu's simultaneously (in my case OC'd 1080Ti's around 285w each).....Gaming doesnt load up a CPU like Benching (P95 or LinX or Cinebench).....for true load on your System try looping Heaven Benchmark and Cinebench simultaneously .....now that will load up everything.....
     
    ....agree though....larger PSU is best !!

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    #26
    sgloux3470
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/12 21:06:49 (permalink)
     The EVGA Black cards have a 280W power limit max.  Giving 25% headroom (350W each) that leaves 300W for the rest of the system.  
     
    I don't think you'd have any issues.  
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    rjbarker
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/12 22:06:53 (permalink)
    sgloux3470
     The EVGA Black cards have a 280W power limit max.  Giving 25% headroom (350W each) that leaves 300W for the rest of the system.  
     
    I don't think you'd have any issues.  




    Your forgetting about his power hungry 9900K .....OC'd.....add another 300w for an OC with vCore at 1.38v or so!!!
    I just replaced an old AX 1200w with a new AX 1200i....but after realzing how power hungry my 9900K is OC'd (along with my 1080Ti's OC'd) and considering the best efficiency for a PSU is around 50-60% load (then it goes way down as it aproaches 80-95% load).....im going to swap out to an AX 1600i .......
    post edited by rjbarker - 2019/01/12 22:09:31

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    XSPC Photon 170 Rez-Vario Pump Combo - Dell Alienware 3440*1440p 120Hz GSyc
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    #28
    sgloux3470
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/12 23:55:47 (permalink)
    rjbarker
    sgloux3470
     The EVGA Black cards have a 280W power limit max.  Giving 25% headroom (350W each) that leaves 300W for the rest of the system.  
     
    I don't think you'd have any issues.  




    Your forgetting about his power hungry 9900K .....OC'd.....add another 300w for an OC with vCore at 1.38v or so!!!
    I just replaced an old AX 1200w with a new AX 1200i....but after realzing how power hungry my 9900K is OC'd (along with my 1080Ti's OC'd) and considering the best efficiency for a PSU is around 50-60% load (then it goes way down as it aproaches 80-95% load).....im going to swap out to an AX 1600i .......




    Gaming won't max out the CPU though, it won't use much more than 100-150W.  
     
     
    #29
    XrayMan
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    Re: Will 1000W Titanium PSU be enough for 2080Ti Black Edition in SLI 2019/01/13 00:51:23 (permalink)
     
    I don't like going below 1200, but that's just me.

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    #30
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