GDSTIME 50mm Fan 5010 Fan 50 x 10mm USB Cooling Fan 5V Brushless Cooling Fan 4500 RPM High Speed Case Fan For TV Box Router Cabinet Fan Replacement

I use them for my laser surround I made so they suck in air and I have a larger fan at the back sucking air out to keep the odour out of my work spacethey work well but are a little noisy for the size but I can live with that I just play music in the background it doesn't sound as bad then

I was using these fans to cool a cupboard which had a NAS box in, so it not really moving much heat now, just for airflow, which it did fairly well for the size, I do wish the cable was ever so slightly longer but minor things now.Unfortunately they have lasted exactly 1 month from purchase. Both of them the bearing is going like mad and they are slowing down now. I did some math and they have been running 24/7 since I bought them. They only lasted 720 hours ish, pretty much a far cry from the 35000 they say in one of the pictures now.I not going to grumble too much as they effectively cost me only £5 each, but I was hoping to least see at least half a year of use or something.2/5

These are great little fans work from USB power bank. I'm happy with them. But not sure if they are 3500 rpm I don't have a way to test them.

Great little fan. I'm using it to extract warm air from my biltong box. It's pretty quiet and excellent value for money.

Great little product, I got it to cool my android box and it’s working perfect and very quiet, very fast delivery

Poor quality. One of th fans has broken after a month of use rendering the item useless.