Amazon.com: Cooling Miner Fan 6500RPM (200CFM) 120mm/4in (12V/4pin) for GPU Mining Rig or Replacement for ASIC Miners - Keeps Airflow and Equipment at Low-Temperature and Stable Performance - Tupavco TP1509 : Electronics
Podcast Episode 4 – Building a cooling system for 1 megawatt Bitcoin mining facility – Block Operations