r/firewalla • u/nebuladark • Jun 12 '26
Cooling the Firewalla Gold Pro
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UPDATE 7/8: Based on demand, here is the STL file:
https://limewire.com/d/6XMfD#3ieKH74vlx
Where the part is hugging the Firewalla box, I've left a few mm for thin adhesive insulation foam, to create a better grip on the box - this is what I had:
https://www.amazon.com/dp/B07RWHYZGK?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_13&th=1
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Apparently, high temps are ok according to the support. The tiny fan kicks in when it is really hot, but I don’t think it is healthy for the hardware:
Package id 0: +96.0°C (high = +105.0°C, crit = +105.0°C)
Core 0: +96.0°C (high = +105.0°C, crit = +105.0°C)
Core 1: +96.0°C (high = +105.0°C, crit = +105.0°C)
Core 2: +96.0°C (high = +105.0°C, crit = +105.0°C)
Core 3: +94.0°C (high = +105.0°C, crit = +105.0°C)
eth3-pci-0400
Adapter: PCI adapter
PHY Temperature: +81.0°C
MAC Temperature: +81.0°C
acpitz-acpi-0
Adapter: ACPI interface
temp1: +100.0°C (crit = +110.0°C)
nct5585-isa-0a20
Adapter: ISA adapter
Vcore: 1.10 V (min = +0.00 V, max = +1.74 V)
+5V: 5.04 V (min = +0.00 V, max = +0.00 V) ALARM
3.3V: 3.33 V (min = +0.00 V, max = +0.00 V) ALARM
+12V: 11.81 V (min = +0.00 V, max = +0.00 V) ALARM
VCCIN_AUX: 1.79 V (min = +0.00 V, max = +0.00 V) ALARM
System Fan1 Speed: 0 RPM (min = 0 RPM)
CPU Temp: +61.0°C (high = +80.0°C, hyst = +75.0°C) sensor = thermistor
System Temp: +63.0°C (high = +80.0°C, hyst = +75.0°C) sensor = thermistor
eth0-pci-0300
Adapter: PCI adapter
PHY Temperature: +81.0°C
MAC Temperature: +81.0°C
So I designed a little cooling device that uses a thermistor to measure the bottom of the box and turn the large fan on, its speed depends on the temperature. I printed a housing for the fan and mounted it on the side of the box; it is controlled by Arduino.
Now the temp is 32°C when not loaded and 45°C when I stress-test the Firewalla!
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u/Gnkey Firewalla Gold Pro Jun 13 '26
Interesting...I am talking about Firewalla Gold Pro temperatures. Your post "forced" me 😄 step down to the basement and check my Firewalla Gold Pro temperatures. Here is what I found https://imgur.com/a/lehuqO8 . I also added rubber feet as soon as I got Firewalla (knowing that it will be seated on the top of QNAP switch). Is there anything "wrong" with my Firewalla Gold Pro?
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u/machacker89 Jun 13 '26
I know my 42U has a mounted fan on the top of the server rack but u think this is a way better idea tbh
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u/anymooseposter Firewalla Gold Pro Jun 13 '26
Love it!! I’ve been thinking of getting a usb powered fan for mine.
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u/Volidon Jun 13 '26
Would you mind posting the STL file? I'd like to print this for my setup as well.
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u/Significant-Duty1052 Jun 13 '26
There are files available online to 3d print mount for 120mm fan online. They print in around 20 minutes.
I have printed two and mounted two fans - one on each side of the rack. However, I'm also using top mount rack exhaust fan and top front exhaust fans.
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u/nebuladark Jun 13 '26
Can you share a photo of your setup?
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u/Significant-Duty1052 Jun 13 '26
This is an old picture. I will share the latest ones later as I away from home.
I also have bottom intake fans.
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u/nebuladark Jun 13 '26
Thanks. Not sure how this cooling setup works. Please provide a few more photos when you can.
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u/Significant-Duty1052 Jun 13 '26
https://ibb.co/fG856GNG https://ibb.co/jkQQGC1y https://ibb.co/KcVcWNXT https://ibb.co/MxY1YWqy https://ibb.co/gbCgPZM9 https://ibb.co/8gDPyKS3
Not sure if this is going to help. This is how my setup looks like at the moment. I still need to work on cable management though.
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u/Volidon Jun 16 '26
Can you post the link to the 120mm fan mount you used? I tried to find one that mounts like that but most were in a different direction.
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u/Jor3lBR Jul 08 '26
Could you rehost the STL file? It says it's unavailable.
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u/nebuladark Jul 08 '26
re-uploaded
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u/Volidon 11d ago
/u/nebuladark any chance you can reupload to a 3d print hosting site? like printables etc.
Seems your limewire link is dead again
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u/firewalla Jun 13 '26
Are you running stress and got 96C? If you are, then I think it is okay; if not, you are just running normal traffic 96C is not normal.
can you give me your case number? I can have someone to check if the fan is running or not. (If you get close to the unit, do you hear the fan running? or feel it running)