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Title: Great little gadget.
Review: This fan is very study and quiet. I wish they made a 110v AC unit. I'd buy several. Hard to believe it's only $10. The speed adjustment knob feels solid and turns very smoothly (infinite adjustment rather than clicks). I lowered the temp of my external hard drive by 20. I can turn up the speed if I want to cool it even more but 102 is OK for zero sound.
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