The Hashboard Airflow Inlet Divider by D-Central Technologies is your ultimate solution for creating efficient and quiet Antminer setups at home. Designed to replace the middle hashboard in Antminer S19 and S21 models, this innovative product optimizes airflow and reduces power consumption, making it perfect for residential Bitcoin mining. This version of the inlet divider is specifically designed to keep two hashboards operational within the unit, optimizing airflow and performance while targeting the ideal power consumption level for 120V setups.