Mounting an exhaust fan on the exterior of case?

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Have an existing 80mm fan but there is no room for a 120mm and
would like to use an adapter so it can be mounted on the exterior of
the case.

Has anyone tried this before?

80mm to 120mm adapter

Re: Mounting an exhaust fan on the exterior of case?

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Once when visiting my mother, to untangle the multitude of computer
problems that she creates between every visit, she said that the CD
caddy was hot when she took it out of the case.  This made about as
much sense as the rest of her explanations of computer problems but
I crawled under the desk to see what was going on.

This was a huge tower case with a nice stable 486 system in it
(years ago).  And I realized it was way too quiet.

Turns out that the power supply fan had died and it was only the
quality of the components, only having a 486, and the size of the
huge case that had kept the temperatures down to where it hadn't
caught fire.

She is a hundred miles the other side of no-where and if I didn't
bring the parts with me I can't get them.

Short answer, I canibalized the only fan I had in any equipment
with me, 120mm 120volt, and duct taped it over the power supply
exhaust port.  That sucked enough air out of the case to keep the
temperature down until I made the next trip.

So it can be done.  And with less of an adapter than you are

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