Cooling a computer desk?

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djnes

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Mar 24, 2000
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I am asking this question on behalf of a co-worker. He's looking for a fan that resembles a case fan....maybe like a 120 mm fan that's a similar size and shape...but is AC powered? He's got a tower in a computer desk enclosure and want to mount a fan in the back of the little encolsure to pull some of the warm air out. It's one of those desks that hides the computer down next to the chair, were drawers normally go.

It would be perfect to find him something like a 120 mm fan, but that's AC powered, so he can just cut a hole for it, mount it, and plug it into his power strip. Anything like that around?
 
AC powered? I've never heard of one.

At least he's thinking about the ambient case temperature, and looking into getting some airflow in that little cubbyhole, but that is one of the worst places to put your PC. Difficult to get to the cables, have to disconnect everything to pull it out and work on it, possible to knock off CD trays with the door, no/low air flow.

Depending on how much room is around the back of the desk, maybe a small desk fan mounted in some fashion pulling air out the back would work. Don't use a desk fan anywhere near the PC itself, the EMI produced by the fan could cause problems.

If it were my project, I would take the computer out of there and sit it next to the desk... but if he's intent on leaving it in there, I'd suggest a 120mm high velocity fan connected to an AT power supply.
 
djnes said:
I am asking this question on behalf of a co-worker. He's looking for a fan that resembles a case fan....maybe like a 120 mm fan that's a similar size and shape...but is AC powered? He's got a tower in a computer desk enclosure and want to mount a fan in the back of the little encolsure to pull some of the warm air out. It's one of those desks that hides the computer down next to the chair, were drawers normally go.

It would be perfect to find him something like a 120 mm fan, but that's AC powered, so he can just cut a hole for it, mount it, and plug it into his power strip. Anything like that around?
Click to expand...

I've got one sitting in my office blowing right now. Have no idea where it came from, it was here when I got here.
 
These are actually quite common. Any respectable electronics store will have a pretty wide variety of fans, both AC and DC powered. Even radio shack has a few.
 
I've got several 120 mm AC axial fans right now. They have beefy metal housings and their speed can be controlled by a common dimmer switch.

If you're interested in buying, PM me and we can work something out.
 
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