Bitmain Antminer A113D Control Board unit (S21 Pro, S21+) set up for air cooled miners, this high-performance control board ensures seamless operation, maximum efficiency, and supports 6400 fans for optimal cooling.
The control board uses the amlogic A113D main control chip and is equipped with a micro USB data interface.

Specifications : The control board is packaged separately. The control board assembly is suitable for 6400 fans.