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Hot!Anybody here have a GPU only custom water build?

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yaggaz
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2020/09/08 02:39:27 (permalink)
 
For the 3080s coming out I'm going to go either Hybrid or Hydro Copper and if the latter it will be my first crack at custom water cooling.    My CPU temps are perfectly fine with Dark Rock Slim so I'm wondering if custom cooling is worth it for just one piece, or should you only go custom for both CPU and GPU? 

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    kougar
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    Re: Anybody here have a GPU only custom water build? 2020/09/09 05:03:16 (permalink)
    It comes down to how much radiator your loop will have. I don't recommend less than a 360mm radiator for GPU+CPU, but you would see a large improvement with more radiator area. I'm using a thick 420mm radiator so there's substantially more surface area over a 360, but the rad gets hot enough I know there's still room for improvement with more radiator surface area. 


    Have water, will cool. 
     
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    #2
    yaggaz
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    Re: Anybody here have a GPU only custom water build? 2020/09/09 14:23:54 (permalink)
    kougar
    It comes down to how much radiator your loop will have. I don't recommend less than a 360mm radiator for GPU+CPU, but you would see a large improvement with more radiator area. I'm using a thick 420mm radiator so there's substantially more surface area over a 360, but the rad gets hot enough I know there's still room for improvement with more radiator surface area. 




    a 420 is -exactly- what I had in mind.     So I'm assuming a custom 420mm radiator for GPU only cooling is going to beat their 240mm hybrid, simply because of size?
     
    Edit: My purpose for watercooling is a whisper quiet build, not any OC plans.

    ||  CPU: Intel 10700k   ||  GPU:  evga RTX 2080 Super  ||  MB: Gigabyte z490 UD AC  || RAM: 2 x 16GB 3000mhz DDR4 SDRAM  || Samsung EVO 970 Plus 2TB   ||    Dell S2417DG Monitor    ||  Soundblaster AE-7  ||  Phanteks p400a Case  ||   be Quiet! Dark Rock Slim CPU Cooler  ||  Kraken G12/H55 Corsair AIO for GPU  ||  Corsair AX1600i PSU  ||  9 Fans total in system ||
    #3
    kougar
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    Re: Anybody here have a GPU only custom water build? 2020/09/10 03:39:14 (permalink)
    Low noise is the best use for watercooling, so yes that will do you just fine. A 45-60mm thick 420mm for just a single GPU is going to be overkill but you can use silent fans with it. You will see a large drop in temps versus a 240mm Hybrid, especially as EVGA's CLCs are only 30mm-thick. A proper 60mm 420 can comfortably handle the average CPU as well, so you do have that option. 
     
    Watercooling is no different than air cooling, in so much that surface area is king. That includes thickness, which can make a surprisingly large difference between radiators. 45 & 60mm is generally the most common thicknesses, but some brands sell radiators up to 85mm thick, and as thin as 20mm. When calculating surface area that third dimension will have a large impact on the total cooling area. 


    Have water, will cool. 
     
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    #4
    yaggaz
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    Re: Anybody here have a GPU only custom water build? 2020/09/10 13:50:43 (permalink)
    Sweet!!!   Do you think a reservoir is needed for GPU only cooling?
    Also based on what you said, I was eyeing this guy up:
    https://www.frozencpu.com/products/25248/ex-rad-713/Phobya_G-Changer_420mm_Radiator.html?gclid=CjwKCAjwnef6BRAgEiwAgv8mQUwIBmdGryfYQH9vXgLujB7GbTjNmaFOMLH3QYKtDMXtLdE2Kf9E0xoCtNkQAvD_BwE
     

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    #5
    GTXJackBauer
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    Re: Anybody here have a GPU only custom water build? 2020/09/11 20:59:32 (permalink)
    I would only go custom if you're using CPU + GPU loop.  It makes no sense to do one or the other but that's up to you. 

    Also, I stay away from 140mm rads since their selection of fans are meh ok.  There are better performing 120mm rad fans out there.  

    I would also advise on seeing what others have done with said case.  Could get some ideas to see what fits and what doesn't and how to route the loop.
     
    It's a lot of work and will take lots of research and patience.  Yup, need lots of that and oh, an open wallet.   It can get pricey once you catch the custom cooling bug and can't stop. 
     
    If it's a no go on all of the above and just want a easier and affordable way to some water temps, AIOs are the best option.
    post edited by GTXJackBauer - 2020/09/11 21:11:50

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    kougar
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    Re: Anybody here have a GPU only custom water build? 2020/09/11 21:25:53 (permalink)
    yaggaz
    Sweet!!!   Do you think a reservoir is needed for GPU only cooling?
    Also based on what you said, I was eyeing this guy up:
    https://www.frozencpu.com/products/25248/ex-rad-713/Phobya_G-Changer_420mm_Radiator.html?gclid=CjwKCAjwnef6BRAgEiwAgv8mQUwIBmdGryfYQH9vXgLujB7GbTjNmaFOMLH3QYKtDMXtLdE2Kf9E0xoCtNkQAvD_BwE
     




    Looks decent to me, but I haven't followed radiators closely. I use a Thermochill triple 140mm but they haven't made those in ages. You will want fans with a high static pressure with that radiator, especially if you are aiming for quiet acoustics. 
     
    The choice regarding a reservoir comes down to how often you want to have to open the system up and add new coolant/water. With a reservoir you can wait until the water level gets low before you have to go add more. But you can always skip a reservoir and save some money too if frequent loop maintenance doesn't bother you.


    Have water, will cool. 
     
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    #7
    yaggaz
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    Re: Anybody here have a GPU only custom water build? 2020/09/12 15:02:28 (permalink)
     
    Hrm, what to do, what to do.  Go with a Hybrid where I can't control the fan noise, or go with Hydro Copper where I'll end up as obsessed and broke as GTX ;-)
     

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    Afterburner
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    Re: Anybody here have a GPU only custom water build? 2020/09/12 15:19:37 (permalink)
    yaggaz
     
    Hrm, what to do, what to do.  Go with a Hybrid where I can't control the fan noise, or go with Hydro Copper where I'll end up as obsessed and broke as GTX ;-)
     



    It is really up to you. Hopefully this will help...
     
    Is your preference as little noise as possible? If it is, go all in. Best to not waste your time with Hybrids as you will most likely find their weaknesses and end up redoing it anyway. Costing you far more.
     
    "Raises hands from personal experience"
     
    If noise is of no concern get the Hybrid and research what fans to immediately replace the stock ones with. Have that as part of your initial costs. This will allow better cooling and reduced noise (Compared to stock).
     
    I built about five systems focusing on air only, and six or seven water-cooled. 
     
    This may sound weird......... However, air cooled has always made the ambient air temp higher in the room than water-cooling ever has.
     
    Keep in mind I am speaking from the position of running my systems 24/7 full tilt crunching with the 1080TI and my 12 threads on the CPU. The most recent system generates about 1,000,000 points per day. 
     
    Now as I say that, I am going a different route on my next build. I am going to WC the CPU but not the GPU. I may relive my own mistakes, but I went down to a Mid-tower for this build. 

     
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    GTXJackBauer
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    Re: Anybody here have a GPU only custom water build? 2020/09/12 17:48:06 (permalink)
    yaggaz
     
    Hrm, what to do, what to do.  Go with a Hybrid where I can't control the fan noise, or go with Hydro Copper where I'll end up as obsessed and broke as GTX ;-)
     



      
     
    In all honestly, if you're not dead set with custom cooling which you should be from the start, I wouldn't bother because custom can have many hickups.  Think of it as flipping a home.  Chances are it won't go smooth sailing but it will be worth it at the end.  

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    yaggaz
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    Re: Anybody here have a GPU only custom water build? 2020/09/13 02:56:07 (permalink)
    GTXJackBauer
    yaggaz
     
    Hrm, what to do, what to do.  Go with a Hybrid where I can't control the fan noise, or go with Hydro Copper where I'll end up as obsessed and broke as GTX ;-)
     



      
     
    In all honestly, if you're not dead set with custom cooling which you should be from the start, I wouldn't bother because custom can have many hickups.  Think of it as flipping a home.  Chances are it won't go smooth sailing but it will be worth it at the end.  




    Does it work the same way as flipping a house, like do you smash through the side of the PC with a demolition sledge hammer? 
     
    On a more serious note, I suppose I could go the Hybrid route if evga allows the rerouting of the fan cables without voiding warranty?

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    kram36
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    Re: Anybody here have a GPU only custom water build? 2020/09/13 14:24:27 (permalink)
    GTXJackBauer
    Also, I stay away from 140mm rads since their selection of fans are meh ok.  There are better performing 120mm rad fans out there.

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    yaggaz
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    Re: Anybody here have a GPU only custom water build? 2020/09/13 14:56:23 (permalink)
    kram36
    GTXJackBauer
    Also, I stay away from 140mm rads since their selection of fans are meh ok.  There are better performing 120mm rad fans out there.

    Cough ***EK*** cough ***Furious*** cough ***Vardar*** cough ***EVO***




    https://www.ekwb.com/shop/ek-furious-vardar-evo-140-bb-2500rpm
     
    So it's pretty good.  As a quiet freak I am curious about how loud it would be though.

    ||  CPU: Intel 10700k   ||  GPU:  evga RTX 2080 Super  ||  MB: Gigabyte z490 UD AC  || RAM: 2 x 16GB 3000mhz DDR4 SDRAM  || Samsung EVO 970 Plus 2TB   ||    Dell S2417DG Monitor    ||  Soundblaster AE-7  ||  Phanteks p400a Case  ||   be Quiet! Dark Rock Slim CPU Cooler  ||  Kraken G12/H55 Corsair AIO for GPU  ||  Corsair AX1600i PSU  ||  9 Fans total in system ||
    #13
    GTXJackBauer
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    Re: Anybody here have a GPU only custom water build? 2020/09/14 03:14:46 (permalink)
    wwwwwwwwwwwwww
    kram36
    GTXJackBauer
    Also, I stay away from 140mm rads since their selection of fans are meh ok.  There are better performing 120mm rad fans out there.

    Cough ***EK*** cough ***Furious*** cough ***Vardar*** cough ***EVO***




    I think the gear from Corsair is great with the exception of purchasing the rad fans elsewhere if you want top of the line like Noctua but at the same time, you could also go with EK but they seem like the pricier of the bunch or you could choose different gear from different mfgers that fits your needs.

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    kram36
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    Re: Anybody here have a GPU only custom water build? 2020/09/20 09:04:27 (permalink)
    yaggaz
    kram36
    GTXJackBauer
    Also, I stay away from 140mm rads since their selection of fans are meh ok.  There are better performing 120mm rad fans out there.

    Cough ***EK*** cough ***Furious*** cough ***Vardar*** cough ***EVO***




    https://www.ekwb.com/shop/ek-furious-vardar-evo-140-bb-2500rpm
     
    So it's pretty good.  As a quiet freak I am curious about how loud it would be though.


    I have mine (3) on a Scythe Kaze Q fan controller and have them turned down to the lowest speed the controller knobs will go. So I don't know what RPM they are spinning at and they are the loudest fans in my case. They are not as quiet as I would like them to be running them this way, but I like being able to turn the knobs and get faster speeds without going into the bios, plus I can't stand hearing fans ramp up and down, so setting them to "Smart" in the bios would not be good for me. I could run them to the motherboard and see if I can get them to go lower on the fan speed and not be as loud for a test for you. They do move a ton of air and I'm running an extra thick rad.

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    yaggaz
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    Re: Anybody here have a GPU only custom water build? 2020/09/20 14:45:46 (permalink)
    kram36
     
    , plus I can't stand hearing fans ramp up and down, 




    AMEN.  That is just the worst, way worse than a louder fan that doesn't change.  That's why I got a fan hub controller for the main case fans.

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    wmmills
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    Re: Anybody here have a GPU only custom water build? 2020/09/21 05:04:17 (permalink)
    yaggaz
    kram36
     
    , plus I can't stand hearing fans ramp up and down, 




    AMEN.  That is just the worst, way worse than a louder fan that doesn't change.  That's why I got a fan hub controller for the main case fans.


    +2! I think we all are part of the church of the fan controller. I hate building without them.

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    kougar
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    Re: Anybody here have a GPU only custom water build? 2020/09/22 16:47:29 (permalink)
    yaggaz
    https://www.ekwb.com/shop/ek-furious-vardar-evo-140-bb-2500rpm
    So it's pretty good.  As a quiet freak I am curious about how loud it would be though.



    Double ball bearing have good longevity but will usually be louder than FDB / liquid bearing fan models, no real way around that as friction is still friction. Liquid bearings tend to be the best for both longevity and lowest noise. Noctua markets their version of FDB as SSO / SSO2.
     
    Personally speaking, I run my 140mm Noctua fans just under 900RPM. Anything over that starts to generate audible airflow noise to my ear if it is an exhaust fan. Obviously there's huge caveats with that, RPM stats differ immensely based on fan size, case type, distance, background noise, etc etc. But if you have plenty of radiator surface area you can get away with running fans at a very low level with only a small tradeoff in performance.


    Have water, will cool. 
     
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    GTXJackBauer
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    Re: Anybody here have a GPU only custom water build? 2020/09/23 07:35:44 (permalink)
    I use a Aquaero 6 XT curves based on air and water temps but for the most part, my fans don't change too much.  Pumps are static set to keep a constant flow (1 GPM) whether on idle or load.

    Surely not a fan of silicon based temps since that's the ramping noise some have issues with.  It would be nice to see curves based on air/water thermals from MB mfgers if they have't yet.

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    kougar
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    Re: Anybody here have a GPU only custom water build? 2020/09/23 22:26:15 (permalink)
    GTXJackBauer
    I use a Aquaero 6 XT curves based on air and water temps but for the most part, my fans don't change too much.  Pumps are static set to keep a constant flow (1 GPM) whether on idle or load.

    Surely not a fan of silicon based temps since that's the ramping noise some have issues with.  It would be nice to see curves based on air/water thermals from MB mfgers if they have't yet.




    Aye, I just don't trust a motherboard to control a pump. Heard of one too many issues with the USB control mechanisms too if the software glitches. My pump and fan speeds do not change, except when the CPU exceeds 80c then the fans will rev up. I adjusted the OC and fans to ensure the CPU never gets that warm unless it's some serious AVX2 workloads, but nothing ever uses that.


    Have water, will cool. 
     
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    Monstieur
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    Re: Anybody here have a GPU only custom water build? 2020/09/25 12:52:00 (permalink)
    I installed a custom loop (3x 360 mm) on my X299 Dark + 10900X. I "upgraded" from a CLC 280. There is negligible difference in temperature and it doesn't help one bit in overclocking (5 GHz all-core) over the CLC 280. The parts cost almost $800 and it looks incomplete without the GPU in the loop, which will cost another $150. You could buy an RTX 3090, Optane 905p, 4x NVMe RAID, etc. for that money.
     
    However I learned something which I did not realize for years - fan speed must be set based on liquid temperature, not CPU temperature. I had connected the CLC 280 fans to the motherboard directly because I though it was better for the BIOS to control the fans. It would ramp up & down and was a constant disturbance. Had I used liquid temperature to control the fans on the CLC 280, it would have been just as quiet as my custom loop.
     
    Good luck trying to sell a waterblock flagship GPU in 2 years. Anyone with a custom loop probably wants the latest GPU. If you buy an aftermarket waterblock for the GPU, you can reinstall the air cooler before you sell it.
    post edited by Monstieur - 2020/09/25 13:00:42
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