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URGENT: I also need help with Corsair H100i RGB Pro!!

Ksense1210

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Joined
Mar 12, 2020
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Hey guys,

I recently installed the Corsair H100i RGB Pro for Intel i7 7700k, MOBO MSI R270 M5. I've followed the instructions and all but noticing a weird issue where my dual fans on the radiator don't quite feel strong enough for the RPM I'm seeing through the BIos which is around 2000 to 2100 nor making any loud noises..

Couple things I feel that may be causing this issue are

1. The SATA power cable is hooked to my SATA adapter that came with my PSU which has 2 extra inputs
2. My fans are attached inward or exhausts inward to my system with radiator being attached though I've tried detaching my fandl during runtime to test the speed of the fan vd what BIos reports..


Any help is appreciated guys..
 
Is it cooling the CPU as expected?
 
What's the temps in the bios?? It might be temperature related... If the temps not high enough, it might not be making the fans spin as much as they could/should (depending on how you look at it....)

Welcome to TPU btw :D
 
Is it cooling the CPU as expected?
When idle, my CPU is around 30.
When browsing on chrome, around 40 to 50.
When gaming, around 50 to 60.

So I guess it's cooling it but it just didn't make sense to me that my CPU fans are shown as nearly 2100 when I can barely feel any wind coming through..

What's the temps in the bios?? It might be temperature related... If the temps not high enough, it might not be making the fans spin as much as they could/should (depending on how you look at it....)

Welcome to TPU btw :D
In bios, the CPU fans are nearly 2100. I've seen somewhere on web that the CPU fan rpm should be considered half of what's being displayed on bios since it's dual fans but even then 1k on each fan felt slow meaning barely feel air from exhaust..
 
Do you have/know the model of the fans supplied with the H100? Some fans are better than others, some are worse.. Depending on the case and rad, you might not have much air coming through it but the temps are looking fine..

Have you tried manually setting the RPMs of the fans??
 
When idle, my CPU is around 30.
When browsing on chrome, around 40 to 50.
When gaming, around 50 to 60.

So I guess it's cooling it but it just didn't make sense to me that my CPU fans are shown as nearly 2100 when I can barely feel any wind coming through..


In bios, the CPU fans are nearly 2100. I've seen somewhere on web that the CPU fan rpm should be considered half of what's being displayed on bios since it's dual fans but even then 1k on each fan felt slow meaning barely feel air from exhaust..
That sounds pretty normal to be honest. How much RPM impacts airflow really has to do with whatever kind of fan it is and how it was designed. For the few fans connected to sensors on my H100i, 1450-1900 isn't unusual at idle for the Corsair 120MLs. Mind you, it doesn't have to be a lot of airflow, it just has to be enough to keep the CPU cool, particularly with the 240mm rad.
 
Do you have/know the model of the fans supplied with the H100? Some fans are better than others, some are worse.. Depending on the case and rad, you might not have much air coming through it but the temps are looking fine..

Have you tried manually setting the RPMs of the fans??
They're stock fans; two 120mm ML magnetic fans
 
When idle, my CPU is around 30.
When browsing on chrome, around 40 to 50.
When gaming, around 50 to 60.

So I guess it's cooling it but it just didn't make sense to me that my CPU fans are shown as nearly 2100 when I can barely feel any wind coming through..


In bios, the CPU fans are nearly 2100. I've seen somewhere on web that the CPU fan rpm should be considered half of what's being displayed on bios since it's dual fans but even then 1k on each fan felt slow meaning barely feel air from exhaust..

If your pump is plugged in to the cpu fan header then it could be the pump speed.
 
Do you have/know the model of the fans supplied with the H100? Some fans are better than others, some are worse.. Depending on the case and rad, you might not have much air coming through it but the temps are looking fine..

Have you tried manually setting the RPMs of the fans??
So just to clarify,

I have a Corsair Carbide series 275R with radiator being 240mm with two 120mm ML(??) Magnetic fans attached to the front side of the case where radiator is attached to the case and fan exhausts facing inwards to the case. I did a noobish test by testing the airflow of a stock fans that came with the case that was running around 1400 rpm vs a detached Corsair cooler fan that was showing up as 2100 rpm in bios and I was able to tell the clear difference in airflow.. I'm starting to think that maybe this is a defect cause I didn't see any issues like this being reported on the web..

If your pump is plugged in to the cpu fan header then it could be the pump speed.
My cooler is connected to the CPU header as recommended and instructed. I also saw somewhere on the web that you shouldn't use a pump header cause it can damage your CPU but honestly this is my second time semi building my machine granted that I've only changed my tower and cooler.

That sounds pretty normal to be honest. How much RPM impacts airflow really has to do with whatever kind of fan it is and how it was designed. For the few fans connected to sensors on my H100i, 1450-1900 isn't unusual at idle for the Corsair 120MLs. Mind you, it doesn't have to be a lot of airflow, it just has to be enough to keep the CPU cool, particularly with the 240mm rad.
That makes sense somewhat..maybe because the fans are marketed as "magnetic"(?) But it just occurred to me that something may be wrong when I compared fan speed and airflow against stock CPU fan that I got for 70 dollars that was running at 1400rpm whereas the cooler fans where 2100.
 
My cooler is connected to the CPU header as recommended and instructed

It is possible that the BIOS is showing the pump speed. Have you installed Corsair's iWhatever software to see what that says?

I also saw somewhere on the web that you shouldn't use a pump header cause it can damage your CPU

I do not mean this to be rude, but I have no idea what you mean here.
 
It is possible that the BIOS is showing the pump speed. Have you installed Corsair's iWhatever software to see what that says?



I do not mean this to be rude, but I have no idea what you mean here.
You're not, I've been searching on the web for so long and made me more confused..

It is possible that the BIOS is showing the pump speed. Have you installed Corsair's iWhatever software to see what that says?



I do not mean this to be rude, but I have no idea what you mean here.
How is it possible that it's showing pump speed when nothing's connected to the pump header on Mobo if you don't mind me asking (obviously I'm new at this)
 
That makes sense somewhat..maybe because the fans are marketed as "magnetic"(?) But it just occurred to me that something may be wrong when I compared fan speed and airflow against stock CPU fan that I got for 70 dollars that was running at 1400rpm whereas the cooler fans where 2100.
Not at all. I've had fans where it's normal to be at 700 RPMs and others where 5000 RPMs was normal. It entirely depends on the fan and what it's rated for, and honestly, what you're trying to do. Fans that spin really fast tend to be loud. Even the ML120s I have can get pretty noisy at full tilt. For me, as long as temperatures are reasonable, I'd prefer them to spin slower to keep the noise down. If I'm chasing records (which I almost never do anymore,) then I'd crank them up, but with decent fans, it's more of how you drive them, their quality, and how you have them set up in your case.

Honestly, if I had those temperatures with your build, I wouldn't be worried. That CPU of yours can safely run pretty hot and your temps are more than reasonable.

Side note: I love the ML120s. They're great fans.
 
Yeah, like @moproblems99 is saying make sure the usb header that plugs into the pump head is installed and then use icue to check fan speed. Default fan speed should be around 700-1000rpm if plugged into the cooler and default pump speed should be around 2200rpm.

Just keep in mind if you're using any other monitoring software it will most likely conflict



This is what the h115i platinum cooler defaults to without the software.

Screenshot (25).png
 
Not at all. I've had fans where it's normal to be at 700 RPMs and others where 5000 RPMs was normal. It entirely depends on the fan and what it's rated for, and honestly, what you're trying to do. Fans that spin really fast tend to be loud. Even the 120MLs I have can get pretty noisy at full tilt. For me, as long as temperatures are reasonable, I'd prefer them to spin slower to keep the noise down. If I'm chasing records (which I almost never do anymore,) then I'd crank them up, but with decent fans, it's more of how you drive them, their quality, and how you have them set up in your case.

Honestly, if I had those temperatures with your build, I wouldn't be worried. That CPU of yours can safely run pretty hot and your temps are more than reasonable.
Thank you so much for your help and advise!! My sanity is back and I think I still might want to try out installing the software to see if I can control the airflow as advised by someone in the thread.

Yeah, like @moproblems99 is saying make sure the usb header that plugs into the pump head is installed and then use icue to check fan speed. Default fan speed should be around 700-1000rpm if plugged into the cooler and default pump speed should be around 2200rpm.

Just keep in mind if you're using any other monitoring software it will most likely conflict



This is what the h115i platinum cooler defaults to without the software.

View attachment 148000
Yupyup! The pump head is connected to USB 2.0 and I just need to try out the software to test. Thanks a lot!
 
How is it possible that it's showing pump speed when nothing's connected to the pump header on Mobo if you don't mind me asking (obviously I'm new at this)

Because you have it plugged into the CPU Fan header (I think anyway). If that is the case, then it is possible the pump speed is sent to the header instead of fan speeds.

Now, your max fan speed is 2400rpm so if your are showing 2100 then I would expect more noise or more air. To me, you have one of three things going on:

1. Your pump speed is being shown through the CPU fan speed header instead of fans.
2. The viscous fluid in your mag Lev fans are not getting viscous enough so the fan blades are slipping on the shaft.
3. It really is as simple as dividing the number by two as you have two fans.

I really don't think it is #3. You should be able to install the cooler software and it should tell you each individual component speed. Given that, you should be able to figure out if it is #1 or #2.

Edit: with your temps, those fans will not spin fast.
 
Because you have it plugged into the CPU Fan header (I think anyway). If that is the case, then it is possible the pump speed is sent to the header instead of fan speeds.

Now, your max fan speed is 2400rpm so if your are showing 2100 then I would expect more noise or more air. To me, you have one of three things going on:

1. Your pump speed is being shown through the CPU fan speed header instead of fans.
2. The viscous fluid in your mag Lev fans are not getting viscous enough so the fan blades are slipping on the shaft.
3. It really is as simple as dividing the number by two as you have two fans.

I really don't think it is #3. You should be able to install the cooler software and it should tell you each individual component speed. Given that, you should be able to figure out if it is #1 or #2.

Edit: with your temps, those fans will not spin fast.
Makes sense now. Thank you so much for your patience and help!! Helped me a lot to understand what each units are for and how they reflect onto the system.
 
Makes sense now. Thank you so much for your patience and help!! Helped me a lot to understand what each units are for and how they reflect onto the system.

Let us know how it turns out!
 
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