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Helpful Reply"Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k?

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evan.lord
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2020/09/28 11:31:46 (permalink)
I'm working with a DG-77 case and I'm planning on using a Corsair Elite Capellix AIO with either a 240 or 280 rad for the CPU.  I had settled on 3 120 intake fans in the front, the 240/280 rad and 2 exhaust fans on top, and a 120 rad and exhaust fan for the GPU on the back.  However, I just learned the 3080 hybrids will use a 240 rad.  How should I adjust my setup?  Should I put the 240/280 CPU AIO in the front with intake fans and the GPU rad on the top with exhaust fans?  Should I drop down to 120 for the CPU and put that in the back?  Is a 120 AIO sufficient for an i9-10900k?
 
Thanks.
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AHowes
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 12:15:46 (permalink)
Maybe make both an input and just let the heat be pushed out the case along with that 1 fan exhaust.

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Cool GTX
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 12:18:09 (permalink) ☄ Helpfulby evan.lord 2020/09/28 12:59:28
Normally you would want:
 
More intake than exhaust fans  - (CFM) = positive case pressure, for best cooling & to limit dust, if intake has filters
 
Radiator fans as Intake can help keep the temps down & push/pull (fan on each side of rad can help move more air)
 
I'd prioritize whichever device you want / need to keep cooler
 
I would not run a 120 AIO on a i9-10900k
 
Though web searches are your best bet to see what others have done
 
 

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NexusPhase
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 12:21:04 (permalink) ☄ Helpfulby evan.lord 2020/09/28 12:59:36
evan.lord
I'm working with a DG-77 case and I'm planning on using a Corsair Elite Capellix AIO with either a 240 or 280 rad for the CPU.  I had settled on 3 120 intake fans in the front, the 240/280 rad and 2 exhaust fans on top, and a 120 rad and exhaust fan for the GPU on the back.  However, I just learned the 3080 hybrids will use a 240 rad.  How should I adjust my setup?  Should I put the 240/280 CPU AIO in the front with intake fans and the GPU rad on the top with exhaust fans?  Should I drop down to 120 for the CPU and put that in the back?  Is a 120 AIO sufficient for an i9-10900k?
 
Thanks.


I would run it just like you're thinking. CPU rad (240+) in front so coolest air hits CPU and GPU rad up top with rear exhaust as well

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AHowes
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 12:26:08 (permalink) ☄ Helpfulby evan.lord 2020/09/28 12:59:48
NexusPhase
evan.lord
I'm working with a DG-77 case and I'm planning on using a Corsair Elite Capellix AIO with either a 240 or 280 rad for the CPU.  I had settled on 3 120 intake fans in the front, the 240/280 rad and 2 exhaust fans on top, and a 120 rad and exhaust fan for the GPU on the back.  However, I just learned the 3080 hybrids will use a 240 rad.  How should I adjust my setup?  Should I put the 240/280 CPU AIO in the front with intake fans and the GPU rad on the top with exhaust fans?  Should I drop down to 120 for the CPU and put that in the back?  Is a 120 AIO sufficient for an i9-10900k?
 
Thanks.


I would run it just like you're thinking. CPU rad in front so coolest air hits CPU and GPU rad up top with rear exhaust as well


If he does that idea one would want to make sure those CPU rad fans are 100% all the time. And that amount of air coming threw the rad is enough to feed that GPU rad fans. Be chocking the GPU fans staving it from the air it needs as the CPU is running cooler and the fans would stay ramped down cause of its fan profile.

Would know this is going on pretty quick if you removed the side panel under load and see the GPU temps drop.

Intel i9 9900K @ 5.2Ghz Single HUGE Custom Water Loop.
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#5
NexusPhase
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 12:30:05 (permalink)
AHowes
NexusPhase
evan.lord
I'm working with a DG-77 case and I'm planning on using a Corsair Elite Capellix AIO with either a 240 or 280 rad for the CPU.  I had settled on 3 120 intake fans in the front, the 240/280 rad and 2 exhaust fans on top, and a 120 rad and exhaust fan for the GPU on the back.  However, I just learned the 3080 hybrids will use a 240 rad.  How should I adjust my setup?  Should I put the 240/280 CPU AIO in the front with intake fans and the GPU rad on the top with exhaust fans?  Should I drop down to 120 for the CPU and put that in the back?  Is a 120 AIO sufficient for an i9-10900k?
 
Thanks.


I would run it just like you're thinking. CPU rad in front so coolest air hits CPU and GPU rad up top with rear exhaust as well


If he does that idea one would want to make sure those CPU rad fans are 100% all the time. And that amount of air coming threw the rad is enough to feed that GPU rad fans. Be chocking the GPU fans staving it from the air it needs as the CPU is running cooler and the fans would stay ramped down cause of its fan profile.

Would know this is going on pretty quick if you removed the side panel under load and see the GPU temps drop.

Indeed. He can remedy temps in a number of ways. I personally prefer my CPU getting the coolest air. I would never make both 240+ rads intake though. well.., I guess that isn't true as long as I had other options for proper exhaust. I run a open air tech bench so F it ;)
post edited by NexusPhase - 2020/09/28 12:33:46

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evan.lord
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 13:04:21 (permalink)
Good stuff.  I think I'll probably go with the 240 CPU AIO so I can still squeeze a third 120 intake fan in the front.
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 13:43:06 (permalink)
All very good posts. I will add.......
 
  • No two cases are the same. You need to experiment with "Your" build. When you do, you will find a good balance.
  • It is waaaaaaaaaaaaaaaaaaaay more useful and pleasing to find the perfect balance between noise and temperatures. Than it is chasing the impossible.  
  • Try not to fall into the "I need my GPU to run at 30c-40c" trap. GPU's and CPU's are designed to run hot. They LOVE 60-80c. They will throttle (Reduced performance) deliberately if they get to hot. Please do not think I am saying run at 88c 24/7 if your system is not throttling. I am saying 70-80c is not "The world is ending" temps. I would say any GPU running in the 70c 80c range is doing pretty good. 55-70c is fantastic. 50c or less at full tilt is exceptional. I am not a fan of running 80c 24/7. I am in the 60c-65c range though. Gaming only, I am good with 68c or less. But that is not just because I know what the tempts can be for my system (VRM's, CPU's GPU's), it is because I am also trying to balance how much heat I want to push into my gaming room while controlling the noise level of the fans at the same time.
  • Here is a link for some more thoughts to what I am speaking to... https://www.gpumag.com/optimal-gpu-temperature-gaming/ 
  • I just tried working with the DG-77 Case two weekends ago and cannot make it work for my needs.. I literally just ordered a new case yesterday, for less money than the EVGA case (Phanteks Eclipse P600S) The perfect solution to mount the CLC of any type in that DG-77 case is is pretty tough. Great for a GPU Hybrid cooler. In most situations, you need the "Air" in the CLC to be trapped in the top of the RAD (Furthest from the hose connections). When you go to assemble your CLC to the CPU, you will find the hoses are not long enough for proper installation when mounting to the front of the case (Most likely you will NOT be able to mount a 240/280 or 360 RAD to the top of the case and also mount fans). However, the engineers did a great job on the front of the case for the 120/140 mounting (Allowing for up to 360 but not 420), and you can "Slide" the cooler up inside the case, even with the hoses at the top, and get a little bit of height. I recommend all your wiring to be done first though as the RGB connections are just above it at the very front/top/inside of the DG-77. What I mean is, the hoses going into the CLC need to be at a higher altitude than the block on the CPU if at all possible. 
  • Here is a link for more details and "Information only" from Gamers Nexus https://www.youtube.com/watch?v=BbGomv195sk (It is a bit on the long side, hopefully you better understand once you go through it). 

 
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eg1122
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 13:46:06 (permalink)
evan.lord
Good stuff.  I think I'll probably go with the 240 CPU AIO so I can still squeeze a third 120 intake fan in the front.


I used the corsair h80i v2 on the 10900k mounted as an exhaust for a few months. Overclocked it to 5.3 all core and max temp on cinebench was 93C. When gaming it would stay in the 50's. I highly recommend it if you don't have room for bigger rads. I just got a new case with alot more room so I swapped out the h80i with an h150i and temps are pretty much the same. Difference is fan noise. H80i was not loud at all, but having more surface area for the fans makes for a quieter system.
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kevinc313
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 14:00:05 (permalink)
evan.lord
I'm working with a DG-77 case and I'm planning on using a Corsair Elite Capellix AIO with either a 240 or 280 rad for the CPU.  I had settled on 3 120 intake fans in the front, the 240/280 rad and 2 exhaust fans on top, and a 120 rad and exhaust fan for the GPU on the back.  However, I just learned the 3080 hybrids will use a 240 rad.  How should I adjust my setup?  Should I put the 240/280 CPU AIO in the front with intake fans and the GPU rad on the top with exhaust fans?  Should I drop down to 120 for the CPU and put that in the back?  Is a 120 AIO sufficient for an i9-10900k?
 
Thanks.




360mm AIO front, 240mm AIO (hybrid) top, both intaking with push-pull fans.  Rear exhaust fan optional.
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808sting
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 14:15:02 (permalink)
The Hybrids will probably use the same EVGA design and EVGA_Jacob verified the hose is ~ 15", same as the 2080ti KP 240 Rad setup.  I would suggest using string/cable/tubing to mockup rad mounting locations.  Go minimum 280mm for CPU.  

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R6acer
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 18:10:37 (permalink)
Hey man I had the same situation, I had 280 rad push config on the top of my case for the cpu but once I heard the 3080 was 240 rad I swapped out to a 360 H150i ELITE CAPELLIX. Good AIO, very quiet I have mine in a push/pull but be aware the fans that come with it are not regular ml fans. How far are you wanting to push the cpu? I’ve tested 280 and 360 rads.
post edited by R6acer - 2020/09/28 18:15:07
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ipaine
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Re: "Correct" fan/rad setup for 3080 FTW3 HYBRID with i9-10900k? 2020/09/28 19:16:04 (permalink)
I currently have a 3900x and 1080ti hybrid sli setup in a Define 7 XL. I have the hybrids attached at the front using spacers to make the hoses fit, these are push pull intakes. I then have a Fractal S36 360mm for the 3900x attached to the top and that is also intake. I then have a single 140mm fan at the back as exhaust. This keeps the cards at about 3-5c above ambient at idle and about 30ish above on load. I can have them cooler, but this way they are basically silent. I like having the positive pressure as it helps with dust and I find it gives everything ambient air for cooling, not air that has already been warmed by a rad. 
 
Of course this will change with the 3080 when I get one, but if I end up with the hybrid, I'm sure I'll set it up the same way.
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