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[loy1068]

Just want to ask.. if we live in a warm place and the router is all time hot... do we need to cool it down for router better efficiency? I know it may sound weird as most ppl use Laptop cooling pad but on Router / Modem??

[FurryNutz]

A laptop cooler would be recommended. I use one all the time. 

[RYAT3]

Just want to ask.. if we live in a warm place and the router is all time hot... do we need to cool it down for router better efficiency? I know it may sound weird as most ppl use Laptop cooling pad but on Router / Modem??

My router stands up so i use one of these.

http://www.legitreviews.com/thermaltake-usb-powered-mobile-fan-12-review_1479

I found that using a usb drive really got it hot.  I plugged this into a separate power source.

You could lay this flat also.

[FurryNutz]

I use this one:
http://www.walmart.com/ip/Onn-Laptop-Cooling-Pad/16794998

Works great for horizontal or vertical routers.

[loy1068]

Thanks for the feedback. I was thinking of using those ideas.. just wonder whether should we actively cooling it down? The design of router suppose to be 24x7 right? and if it really need to cool down, why not built-in a fan? Will it increase it's efficiency if it is cool?

as far as i know, Semiconductor get less efficient if hot. just curious...

[RYAT3]

It's not like you are putting it in an ice box by putting a fan on it. The fan barely provides 10F of cooling on the outside depending.

[FurryNutz]

Keeping transistor cools is preferred and these cases are engineered and tested for I presume is enough for efficient ambient temperature dissipation. Probably why they didn't see a need for a built in fan. Also noise is a factor and fans fail after a period of time due to dust and dirt. I have several of these cylinder style routers and all have never needed any external cooling. I just choose to run external cooling. Having external cooling isn't something bad to have, however it does not increase the efficiency of the router, rather keep the components from maybe degrading over a longer period of time due to heat generation. The transistors that generate the most heat do have heat sinks attached and that seems to be all thats needed.

We have seen in older generation routers that D-Links heat dissipation design was not good and eventually caused the HW to fail. This was due to the use of composite heat sink tabs being used instead of metal heat sinks. D-Link was made aware of this and since then, has taken steps in changing there heat sink dissipation designs and started using more metal components and venting the router cases better.

Over all, the router design is good and stable. Having external cooling doesn't hurt either and is a cheap addition for the user.

[loy1068]

thanks for the knowledge FurryNutz.

[FurryNutz]