Firewalla Gold - How Hot does it get

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    Firewalla

    Here is the article that has that question 

    https://help.firewalla.com/hc/en-us/articles/360051284214-Firewalla-Gold-FAQ-and-Known-Issues

    "The Gold is passively cooled, please place the unit in a well-vented area. From our manufacture "the surface temperature will reach 60°C / 140°F when the room temperature is 31°C / 88°F and all CPU cores are 100% loaded". The unit may get hot/warm to the touch.   (The Aluminum case conducts heat well, so it will feel hotter when you touch it)"

    Unless you are running this box with no air circulation, there is no need for a USB fan.  

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    Chris Hewitt

    I am sure this isn't recommended or encouraged, but I put my coffee on it to keep my coffee warm and the Gold cool. Works like a charm.

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    Firewalla

    The box like Java :)

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    Andy brown

    I was thinking of getting a USB fan as I have my switch gear, router and Firewalla in a cabinet.  Two reasons I have it away in cabinet.  1, My wife told me tidy those wires up, it looks a mess.  2.  See 1. As I don’t have a choice

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    Firewalla

    The best is to put the unit there and see the temperature for yourself.  Try not to compare the external surface temperature with your hand and compare it to a plastic device, use a temperature gun.     I have mine in a small closet ... no issues so far.

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    Chris Hewitt

    With my big USB fan blowing on the surface I got as much as a 35% drop in CPU temperature.

    Not needed though. This was purely a science experiment.

     

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    Sukumar Patel

    I never meant to add THAT fan :D. More like a small USB fan. 

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    Chris Hewitt

    Hey, go big or go home. Plus it was that or the 1”x1” fan I have to cool my Raspberry Pi(s).

    This is more impressive.

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    Martins

    Hi there, I'm also very, very picky even knowing that Firewalla Gold doesn't need that... but I did just like Chris...

    I put a big ass fan on top of it, and it runs cool !

    You can use a small fan too, but it will get a little hot (nothing to worry) ... I did a test with a small fan, and it's kind of work...

    But as Chris said, go big or go home ! lol

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    Chris Hewitt

    @Sukumar OK ENOUGH ALREADY. Are you happy now!? 🤪

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    Chris Hewitt

    Now everyone, the fans are a bad idea. Why cool your Gold? First, it never gets that hot (we’ve been measuring it since we got it and even with adding internal goodies it hasn’t gotten over 56°).

    Plus, you need it to keep your coffee warm. If you don’t get enough caffeine how are you going to stay up to complete your TPS reports?

     

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    David Vaughan

    In relation to this and the other current thread on it ( https://help.firewalla.com/hc/en-us/community/posts/360049537333 ), there are some things I have not seen discussed. My  Gold lives in a cabinet with just slits at the top and bottom of the door where it does not seal closed (I have silicone buttons to ensure that). That cabinet contains also a Purple, two switches, and four necessary power supplies which are often-forgotten heat generators in their own right, affecting the ambient temperature in an enclosed space in an unconditioned room.

    My solution for heat risk is mostly based on passive cooling rather than fans. Get along to a local electronics store / popular web site to discover large finned heatsinks which for the most part will nicely fit the equipment. The FWG sits alone covered by one such, and everything has at least some additional heatsinking. I have also a thermal imaging camera which shows me heat exiting the cabinet at about 26-29 degrees normally (all is Celsius) and the Gold typically in the high 30s with all other equipment cooler. Air exit temperature is lower than equipment temperature because there is thermal soak from ambient air through cabinet walls, and dissipation as it exits.

    As a reserve, there is a thermostatically controlled AC Infinity fan to push airflow through the cabinet  a little faster if ambient gets high. It comes on for a for a few hours a day in mid-Summer in a hot climate, but seems superfluous even then.

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    Pcpartsg

    I also want to add additonal cooling. it is up to 58, 59 Degrees C. Has anyone longtime experience with mineral oil. I am start using it for a couple of SBC and a mini PC and it works, but not idea if and how much corroding might happen.

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    Pcpartsg

    @Chris: hmm keeping the coffee warm is soo wrong, but hey working for INITECH that is perfect. I do not see the red stapler nearby nor the coversheets for the TBS reports.

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    Chris Hewitt

    DUDE! Really? You doubt me?!

    What’s your IP Address :-)

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    Chris Hewitt

    Mineral oils is cool. But really only to dunk a whole unit in. Just use the fan like in my post above.

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    Pcpartsg

    Hi Chris,

    I believe you that your coffee stays warm, but that is not right keeping coffee warm for long period time. But that is a coffee/barista topic.

    My IP is fe80::42:3ff:fee3:43ac.

    actually I am using baby oil, which is fragranced mineral oil as byproduct from petroleum process. hmm and that is being put on babies?

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