NZXT Kraken Fan curves

[Azureworld]

Hey everyone, I have a Kraken X72 with a Ryzen 3800x. I'm sure many of you know about the issues of the temp monitoring software other than ryzen master, that the temperatures are very jumpy. Right now, my temps in idle jump between 40-50. So I was wondering if someone could advise on the propser fan/pump curves for NZXT CAM. I have attached my pump and Fan curves below.

[kunia13]

My curve is similar to what's in your 2nd chart. in Cam (while the soft is open) the cpu at idle will jump to 45-50c, and then trickle down to 37-40c and jump back up 10c. Liquid temps are sitting usually at around 28c.

Doesn't matter how I adjust my fans, the temps are the same. From what I've read the cpu keeps on spiking cuz the monitoring software keeps probing it for data so it boosts. Now, when I close all the background junk and just run Ryzen Master, I get a constant 28-30 C on idle. 

I'm on 3950x and x72 using the am4 clip-on type bracket. I just got my x standoff type am4 bracket from nzxt and will try that. I'll check the paste and see how that got squeezed with the clip-on bracket. I'll test both and check...

btw, I haven't messed with bios cpu voltages. On X570 hero, in bios, the cpu sits at 1.4+ volts stock....and apparently that's normal (from what I've read, the bios is also the cause of boost/voltage spikes) 

 

For reference, In BF5, 1440p ultra settings, CPU temps are just under 60c, liquid at 30c and gpu max 64c.

I haven't really done proper CPU stress tests.

[Blai5e]

On 12/17/2019 at 10:29 AM, Azureworld said:

Hey everyone, I have a Kraken X72 with a Ryzen 3800x. I'm sure many of you know about the issues of the temp monitoring software other than ryzen master, that the temperatures are very jumpy. Right now, my temps in idle jump between 40-50. So I was wondering if someone could advise on the propser fan/pump curves for NZXT CAM. I have attached my pump and Fan curves below.

Temperature bouncing up and down at idle is the status quo with modern CPUs and therefore, your fans will be ramping up and down in (near) sync with the CPU temperature I do note that your pump/fan curves are flat to 60°C and 45°C respectfully. To elevate this you should be using the coolant ("Configure for liquid/coolant temperatures:") as the source temperature and you should lower your temperature points for your pump/fan curves accordingly. Remember, you are actively cooling the liquid in your CLC, not the CPU so that is the temperature (coolant) it should react to.

[Azureworld]

On 12/17/2019 at 10:04 PM, Blai5e said:

Temperature bouncing up and down at idle is the status quo with modern CPUs and therefore, your fans will be ramping up and down in (near) sync with the CPU temperature I do note that your pump/fan curves are flat to 60°C and 45°C respectfully. To elevate this you should be using the coolant ("Configure for liquid/coolant temperatures:") as the source temperature and you should lower your temperature points for your pump/fan curves accordingly. Remember, you are actively cooling the liquid in your CLC, not the CPU so that is the temperature (coolant) it should react to.

What would you recommend as the curves if I go with the liquid/coolant temp rather than CPU temp. From what I heard, it should ramp up at a lower temp if i'm using the coolant temps.

[Blai5e]

6 hours ago, Azureworld said:

What would you recommend as the curves if I go with the liquid/coolant temp rather than CPU temp. From what I heard, it should ramp up at a lower temp if i'm using the coolant temps.

Here's an example for your fan curves (making the assumption they are PWM 4-pin fans). The three depend on whether you are after a quiet PC or going for a best cooling scenario. :

 

 

As for your pump, I normally run fixed speed so I'd suggest you find a speed that is quiet enough whilst giving reasonable temperatures on your CPU.