About the Product
Martech 12V 5A 7000RPM Cooling Fan – High-Performance Replacement for Antminer S21 Pro & S21+

Keep your Antminer S21 Pro and S21+ running cool and efficiently with the Martech DF1403812B2FN cooling fan. Engineered for high-performance mining environments, this 140mm fan delivers powerful airflow to prevent overheating and ensure consistent operation, even under heavy workloads.

Reliable Cooling Solution for Demanding Mining Rigs
The Martech DF1403812B2FN is a direct replacement for worn-out or failing case fans in Antminer models. With its high-speed 7000 RPM performance and durable double ball bearing construction, this fan offers long-lasting reliability and optimal heat management for continuous 24/7 mining.

Martech DF1403812B2FN Technical Features Table