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Reddit
reddit.com › r/corsair › corsair h150i fan curve
r/Corsair on Reddit: Corsair H150i Fan Curve
August 8, 2025 -

Hey, just wondering what's a good fan curve for the H150i Elite CAPELLIX XT, cooling a 7800X3D.

The case is a 5000D, 3 front intake, one exhaust in the back and the AIO on top as exhaust.

It's currently set to Balanced but I'd just like something a bit more aggressive when gaming.

I notice with the BF6 Beta that coolant can hit up to 36c pretty quickly and since I always use a headset, louder fans wouldn't bother me.

Usually hovers around 31c when not gaming.

Thanks.

Top answer
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It's difficult to give specific temp vs RPM coordinates because everyone is going to have a different room and case environment. The internal case ambient temp is the minimum possible coolant. +1C to coolant is +1C to CPU temp. It is fairly common for users to see a +7-10C rise when gaming, but most of that will be GPU waste heating up the box rather than a heavy amount of CPU watts outpacing the dissipation rate. In terms of testing fan speed effectiveness, the best way to do it is to set a fixed speed for whatever value you want to try and make a rough comparison to prior marks. Most things in the case are insensitive to small fan speed changes and the coolant temp is one of those things. 150W at the CPU with 1300 rpm on a 360mm would normally be around +6C if it were a straight CPU test. At something like 1800 rpm, you'll only drop another 2C which is not a lot of gain for a rather large change in noise from 1300->1800 rpm. Some in terms of CPU temp on a very efficient 7800X3D, you don't need much speed. The trickier bit is managing the fans to control the GPU waste heat as that affects everything in the case. Faster on the radiator is not always better as it can pull more of the GPU heat through the CPU radiator, warming the coolant and creating a CPU temp penalty. You'd rather it went out the back fan and mesh. Try experimenting with low to moderate fixed speeds at the radiator and then faster speeds on the front and rear. See if you can improve the coolant temp this way without seeing a noticeable increase in GPU temp. Once you get a feel for which speeds work, you can make a noise assessment and then plug it all into a curve for temps. Or do what a lot of people do and simply set fixed speeds at a tolerable noise level prior to starting a long gaming session.
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With my i7 13700k and the h150i even the default icue quiet curves are too aggressive. It depends on where your CPU is sitting while gaming. Coolant temps are safe up until around 55C and you'll never hit that unless something is wrong. I set a curve of 27% fan speed on all until coolant hits 35 c, from there it's a gentle curve until around 45 c at about 60%. Up to 100% at 50c. During gaming here in summer the coolant sits at around 38 c while my GPU tops at 70c and CPU tops around 65c. Keeps it nice and quiet. Even under occt tests coolant is around 45c and CPU about 93ish The default icue curves will have your fans ramping to 80-100% around 38 to 40C which is unnecessary.
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Reddit
reddit.com › r/corsair › custom fan curve with h150i capellix and coolant temps help please
r/Corsair on Reddit: Custom fan curve with h150i capellix and coolant temps help please
August 23, 2021 -

Hello, hope your all well. I’m after a bit of help and advice please, any help would be much appreciated. I would like to start by saying I’m very new to PC gaming so please bare with me.

2 days ago I received a custom pre built pc from Scan 3XS, the specs are as follows:

Ryzen 9 5900x

3080 rog strix OC

360mm Capellix AIO

1TB MP600 SSD

2TB MP600 SSD

64GB Dominator platinum RGB Ram @3600mhz

6 x 120 QL fans

4000X RGB case

850 Corsair Gold PSU

Rog strix dark hero viii motherboard

Upon receiving my pc I had issues with the iCue software and was advised by scan to do a clean install. When doing this it erased my custom fan curve profile. I have since been playing around with it for a few hours but wanted to see if my coolant temps were normal for this type of system. At idle I am getting around 36/37 degrees C When gaming I am getting around 42/43 degrees C (coolant temps)

My 360mm rad is front mounted with the fans mounted in front as intake. I have set up 2 custom fan profiles. One for my front intake fans mounted in front of the rad and the second profile for the 3 exhaust fans. On the custom fan curve I have raised the front intake fans 5% faster than the other 3 exhaust fans in my case-all at the same temps. I have 2 exhaust fans at the top of the case and 1 at the back. Is how I’ve set this up ok?

Can anyone share a custom fan curve they use for a similar set up?

Can anyone clarify if my coolant temps are ok in my system?

Any help would be much appreciated.

Thanks 🙏

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Corsair Community
forum.corsair.com › forums › legacy topics › corsair product discussion › cooling
H150i Pro - Custom Fan Curve - Cooling - Corsair Community
December 11, 2018 - So I am use to air cooled where I could set the fan curve based on CPU temp. Not complaining, but need alittle guidance on setting a custom fan curve for the H150i Pro based on coolant temperature. \ Is there a general coolant degrees -to- fan RPM rule ? Generally for air cool I do the 40c=50%, 5...
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Corsair Community
forum.corsair.com › forums › technical support & customer service › icue software troubleshooting
H150i coolant temp fan curve - loud under load? - iCUE Software Troubleshooting - Corsair Community
March 29, 2024 - It is very loud at gaming load, seeing if anyone out there with a similar set up can offer a more optimal coolant temp fan curve (or any fan curve) LIAN LI O11 dynamic, H150I with 3X ML120 placed on the roof of the case facin...
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Corsair Community
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March 10, 2019 - I'll preface this by saying I'm entirely new to AIO cooling, so my apologies if this is all largely self evident. As per the title, I have an H150i radiator with the three included fans mounted as exhaust at the top of my case, and six LL120 fans connected to a Commander Pro mounted as intake alo...
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Ten Forums
tenforums.com › pc-custom-builds-overclocking › 198685-corsair-h150i-pro-not-sticking-custom-curve.html
Corsair H150i PRO Not sticking to custom curve - Windows 10 Help Forums
October 4, 2022 - In the 100% fan speed scenario, ... with less noise. The quietest solution for an AIO water cooler is use quiet fans. The Corsair H150i PRO uses 120mm fans. So if you don't want to deal with fan curves......
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Corsair Community
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June 14, 2024 - I have the following equipment; H150i Elite Cappelix (at the top of my case, and in the position of blowing out hot air) ML120 Pro 3 Fans (One of them is exhaust fan and blows hot air outside, two of them are located at the bottom of my case and blow cold air inside) AF 120 Elite 3 Fans (All of t...
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Corsair Community
forum.corsair.com › forums › legacy topics › corsair product discussion › cooling
Custom fan curves with H150i Elite Capellix possible - Cooling - Corsair Community
October 12, 2020 - Hello, I'm about to build a new PC when the Ryzen 5000 CPUs are available. I already got everything I need, except the motherboard, AiO and of course the CPU. For RGB I'm going full Corsair (LL fans for case and AiO and Dominator RGB RAM). Of course I also wanted to get the Capellix 360 AiO as I ...
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Corsair Community
forum.corsair.com › forums › legacy topics › corsair product discussion › cooling
H150i not obeying custom fan curve? - Cooling - Corsair Community
April 8, 2020 - The rightmost point is 34C, 100%. Under load (encoding with Handbrake) the coolant temperature is consistently greater than 34C. However, audibly the fans seem to keep revving up and ...
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Linus Tech Tips
linustechtips.com › computer hardware › cooling
Whats a good fan curve for corsair h150i pro xt? i7 10700k - Cooling - Linus Tech Tips
April 17, 2021 - https://linustechtips.com/topic/1327992-whats-a-good-fan-curve-for-corsair-h150i-pro-xt-i7-10700k/ More sharing options... Followers 1 · Go to topic listing Cooling · $1000 SFF Gaming PC · corodedotter93 · 19 minutes ago Posted in New Builds and Planning ·
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Corsair Community
forum.corsair.com › forums › technical support & customer service › icue software troubleshooting
Need help with setting up a fan curve on a new build - iCUE Software Troubleshooting - Corsair Community
May 7, 2023 - So I just got my PC built and Icue downloaded. Here are a few details about my system.... -5000d airflow -10 ML120 RGB Elite fans, 3 of which are the included ones in the h150i Elite cappelix. -H150i Elite Cappelix -Commander Core and Commander Core XT -6 intake fans on front and side of case con...
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bit-tech.net
bit-tech.net › reviews › tech › cooling › corsair-icue-h150i-elite-capellix-review › 3
Corsair iCUE H150i Elite Capellix Review | bit-tech.net
September 15, 2020 - Corsair admits that the fan curves on this cooler are generally more aggressive (‘performance oriented’ in marketing parlance) than before, which explains why profiles that share the same name result in higher fan speeds and better performance.
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Corsair Community
forum.corsair.com › forums › product discussions › corsair icue
Cooling Curve Settings - CORSAIR iCUE - Corsair Community
July 14, 2021 - Hello So I have 6 fans in my PC, 3 of them are installed on the A.i.O Water cooler (Corsair Hydro Series H150i PRO). The type of the fans is Corsair LL120 RGB. So my question is what sensor in commander pro cooling tab (custom curve) should I select for them? The CPU package? Or the H150i PRO? If...
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Reddit
reddit.com › r/corsair › h150i pro rgb fan speed discrepancy/question
r/Corsair on Reddit: H150i PRO RGB Fan Speed Discrepancy/Question
November 3, 2018 -

I have the H150i Pro RGB with latest iCUE and I am trying to determine if my fan speeds are what they are supposed to be. I find the following behavior odd:

In iCUE, I set the 3 radiator fans to EXTREME (pump fan is already on EXTREME and cannot be changed)

FAN#1: ~1170

FAN#2: ~1190

FAN#3: ~1900

Pump: ~1100 (never over 1200)

Are these RPM what I should be expected to see?

Should fans 1-3 more or less be around the same speed?

A friend of mine has the H115 and his overall RPM speeds are way over mine. I understand though they are not the same product and don't want to compare apples and oranges.

My CPU package temp at idle is hovering around 40-45 degrees C which seems 10-15 degrees too high.

I feel like perhaps my pump fan is somehow being confused as my fan 3. Does anyone have a baseline for what I should be seeing, or can corroborate whether this behavior is normal?

Thanks!

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Reddit
reddit.com › r/corsair › question about h150i and fan rpm
r/Corsair on Reddit: Question about H150i and Fan RPM
January 8, 2022 -

Hello anyone who reads!

Lemme get straight to the point. My fan RPM for the first, eh I'd say 5 minutes or so after boot are pretty low (at least I think) at only about 500-700rpm on Balanced and the pump sits at around 2200 rpm constant. I was just wondering if this was normal (as the fans do come back up to around 1100-1300rpm idle and 2000-2200rpm under load) Also all of my LEDs on boot turn On and are fine, but once iCue opens (I have it set to open to the tray on boot) it kind of idk flickers all of my LEDs off and on again. Was just wondering if these things were normal or if I need to change some settings/Look into getting a replacement. (I've had the cooler for almost 2 weeks now)

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Linus Tech Tips
linustechtips.com › computer hardware › cooling
iCue Fans best configuration - Cooling - Linus Tech Tips
April 14, 2022 - I am air-cooling my 5900X with Scythe Mugen 5 and six 120mms. I set this custom iCUE fan curve and temp monitor RGB control...