Review on 2-Pack Dorhea 3007 Quiet Brushless Fans For Raspberry Pi 4 And Other Models - 30X30X7Mm Cooling Fans With 3.3V And 5V DC For Robot Projects And DIY Projects by Douglas Berry
DO NOT BUY, these fans provide no airflow!
Even running on 5V there is no measurable air flow, not a single degree temperature drop after installing the fan on the heatsink. Tried both fans on two Pi boards with the same results.I was not able to feel any airflow with my hands on either of the included fans.
- They are quiet and work well. However they move less air than other fans.
- They spin, just barely though. With 4 volts of power they barely spin and move zero air.
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