Cooling fans

I've wondered about the same thing. The little D-Link 5 port Gigabit switches I install on an almost daily basis seem to fair perfectly well with no fans at all.

I suggest you seek the views of the fan maven at

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There's plenty of stuff available. Try a 'google' for 'Zalman Fanmate' or 'quiet PC fans'. I prefer adjustable rather than fixed but it depends to some extent on what connections you have. If you have Molex connectors have a look at this simple but fiddly method:

Huge gurgled happily, sounding much like they were saying:

Buy a different one, one that doesn't have a fan in... HP do some 24port fanless gigabit switches, and there's a whole stack of

If it was me (and I have done this), use diodes rather than resisitors. Each diode will drop the supply voltage to the fan by about half a volt irrespective of the current drawn. They're quite cheap - a penny or two each. So you can put more or fewer in series to the fan supply to get it to spin at a rate that reduces the noise but still provides enough airflow. One thing: check that the fan will start up reliably - plus you may find that as more dust builds up in the fan's mechanism it needs more ooomph to get it running.

Good lord. I thought you were winding me up, and yet, lo! A cornucopia of fans!

Thank you very much.

Ahhhh. That's worth trying. Especially since I think I have some diodes knocking about here somewhere.

There are people who sell quieter fans - quietpc is one such I think. If there isn't a direct replacement I wonder if bodging a bigger slower fan with some appropriate ducting would do?

down your left side, the painful ones ?

Remove the fans and dump the whole thing in a tank of Silicone (mineral) oil.

Could use a fish tank.

From the top -

I did exactly that on a switch I once had - tore out the case fan, then added a bigger, slower, quieter fan external to the case with a suitable homebrew shroud. It ran for about five years like that before I eventually retired it.

cheers

Jules

I wonder if 0 That would the same Dorothy Bradbury who used to post here * with a tendency to make every post look like - some sort of power point - or bullet list - ?

Yes, that's her.