GDSTIME 75mm USB Fan, 2.95" Blower Fan, 5V DC Brushless Cooling Fan for Laptop, Desktop, Tablet

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Bought this to mount on foam board car window cover to exhaust hot air out the window. Plugged straight into the USB port of my Bluetti power station. Been running it 12 hrs a day for a month straight with zero issues. Also got the fatter one (30mm) for bringing fresh air into car from opposite side window. Recommend both sizes.

Seemingly strong fan...just a tad bit too noisy. Kind of distracting when trying to concentrate. Will cool the computer quickly.

I use this for a custom project. It’s the perfect size to fit in the action of my rifle so when I’m target shooting, I hook this up inside the action and it blows nice cold air down to barrel to cool it off.

I did a DIY conversion to turn and old nonfunctional iMac into a monitor. There are conversion kits that let you use the video screen and connect it to a desktop or laptop computer. However when I got it all finished and hooked up to my desktop, I was running into problems with heat management and I needed a thin fan to direct air through the small opening in the back of the monitor case to cool things down. This fan fits the bill quite well. It was a little smaller than expected, but the airflow is very good even with its small size. Once it got installed the overheating problems have improved significantly. The only down side is the fan noise. If you use it in a quiet room you will hear this fan. It comes in at about 50 to 55 dB, so be aware it might be loud enough to bother some people.