Ed Palmer wrote:
One trick I always use to quiet down a rowdy fan is to replace the
mounting screws with rubber mounts. This isolates the fan's mechanical
vibrations from the chassis. The difference is audible - even with a
good fan. I salvaged some mounts from IBM machines that work great.
Most of the big online computer retailers have something along these lines.
The same trick works very well for hard-disks.
Modern quiet computer chassis is very very quiet while using a multitude
of very simple and straightforward tricks like this. Recently built a
server with 8 hard-disks this way. The DVD-player is the noisiest
part... by far. However, we will never really use it after initial
booting, so it is OK.
* rubber suspension of fans
* rubber suspension of hard-disks
* damping on flat surfaces
We got a pair of extra large (and quiet) fans to ensure air-flow.
Slightly more expensive than the standard chassis. Quieter when in the
terminal room than the computer-hall with closed door.
Cheers,
Magnus
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