GDSTIME 75mm x 30mm 5V USB Blower Fan with 3 Speed Controller DC Brushless | 7530, Small Turbine Centrifugal Fans, for NAS, Helmet, Vivarium, Laptop, Amplifier, Raspberry Pi Cooling Ventilation

I bought the GDSTIME 75 mm USB fan to keep my Mevo camera cool during longer recording sessions, and it works perfectly. The fan is compact, quiet, and easy to power via USB. It moves just enough air to prevent overheating without adding noise to my recordings. Installation was simple, and the included screws helped secure it in place. Great little cooling solution for small electronics!

This was the best idea I've had in a while! My computer desk is in a corner, and the tower against the wall, so whenever I would game it slowly builds a pocket of heat in that corner. I took out the exhaust fan and screwed this in its place, but on the outside, facing towards where my feet are under the desk. The heat is gone, and there's even a nice breeze if I put my feet up a bit. Massive difference! I don't even use the power adapter thing it came with, maybe I'll find a use for that later. Extremely happy with this setup!

I have my laptop wired to a monitor, keyboard/mouse from inside of a desk drawer. This fan mounted perfectly to the drawer to exhaust the built-up heat and comes on via the laptop's USB when powered on. I had to extend the wire a bit, as the wire that it comes with is pretty short at about 6" or so. My gaming laptop now stays cool to the touch after adding this fan. Before installing, I had to at least pop the drawer open a bit to vent the heat out, and you could feel the heat dissipating from the drawer. Great fan, it's just a bit loud for as small as it is. EDIT: I added an inline controller to be able to adjust the fan speed level. I figured I don't need this thing running full bore and being so loud all the time, but unfortunately this fan runs the same speed and loudness from 3v to 5v so there's no turning it down.

I have my fan mounted to a 2” barrel bung, to vent the humidity (digital controller) when it gets too high. Works amazingly well for the task. 5v usb plug. Ultra silent.

I happen to love centrifugal cooling fans because they move air in a very controlled manner and do so very quietly. I use these on various applications within my networking and equipment racks to keep things from overheating and they just hum along very smoothly and quietly even at full blast. Only caveat is you get lower CFM for the size of the fan compared to a box fan but because the air is directed in such a concentrated way it solves thermal issues from specific processors far better than a standard box fan and without the crazy noise and vibration.

It had good air flow but even on the lowest setting, it was too loud. If it was a bit quieter it would be a good fan. It did have selectable power settings which was nice. Had to return it because of how loud it was.

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.

I put this in my travel kit to create some air circulation in hotel rooms. It's compact and the "blower" nature is perfect for creating a little bit of circulation. Putting some hot glue on the wires to keep them secure / safe, especially if it will be moved around, is a good idea. And in my use case, I used 1/8" neoprene to line the back to keep it from moving and making noise during use. I'm not using the speed controller. Even on high, the sound is fine. In fact, in my use case, having some "white noise" is a benefit to mask other hotel guests. BT recommended

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