DA08025B12UG 80mm high-speed cooling fan, power supply PSU DC12V 1.00A 80*80*25MM P21 cooling fan, used to quickly cool down the Whatsminer P21 PSU, allowing miners to obtain a cool and comfortable operating environment while maintaining high-performance operation. The blades are crafted from high-quality materials to provide more airflow and cooling performance for long-term use.