The Waveshare 19193 is a low noise cooling fan for the Compute Module 4 IO.
Supported Product:
-Compute Module 4 IO Board (CM4IO), CM4-IO-BOARD-CASE-A (WAVE-19195)
-Interface: 4PIN reverse-proof connector
-Specifications:12V, PWM adjustment
-Dimensions:40×40×10mm, 5000±10%RPM