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S34 Operating Temperature


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My situation, basic internet traffic, 2K streaming max, house temperature is 70-72F (21-22C), running out of the 1 gigabit port not the 2.5gB.

 

What should the external case temperature be for a Surfboard S34 modem?

 

If EEE is enabled does that make a difference, in theory it should, but does it?

 

Best answer by SURFboard Moderator

If the modem feels warm, that is generally normal behavior. However, if it becomes uncomfortably hot to the touch, emits a burnt smell, or shows signs of smoke, please contact www.arris.com/consumersupport for further assistance.

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If the modem feels warm, that is generally normal behavior. However, if it becomes uncomfortably hot to the touch, emits a burnt smell, or shows signs of smoke, please contact www.arris.com/consumersupport for further assistance.


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  • Author
  • The Many
  • 1 reply
  • June 11, 2025

Warm, hot is kinda suggestive.  

IMO it is definitely very warm, not hot to the touch.  No smells or smoke.

If I login to the modem does the firmware report CPU or board temperatures anywhere? 

Modern PC’s have lots of temperature monitoring I would think modern modems would to.


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If you log into the interface, you won’t find an option to monitor the temperature. It’s normal for the modem to feel warm, but if it becomes excessively hot—too hot to touch—that could be a safety concern. In that case, we recommend reaching out to technical support.


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