About the Product
Maximize Crypto Mining Efficiency with MARTECH DF1203812B2FN 7000RPM Cooling Fan

Keep your mining equipment running at peak performance with the original MARTECH DF1203812B2FN 12V 4.5A Cooling Fan. Engineered for powerful airflow and heat management, this high-speed 7000RPM fan is ideal for high-performance miners such as Antminer L9, S21, S19kPro, S19j XP, KS5 Pro, and T21.

Built with durable double ball bearings and PWM temperature control, it ensures reliable, continuous cooling with adjustable speed and reduced noise levels—crucial for maintaining stability in demanding mining environments.

Dual Connector Compatibility for Broad Miner Support

• 5557 Square 4-pin (ATX): Fits Antminer L9, S21, S21XP, T21, KS5, KS5PRO, S19j XP, and S19kPro.

• KF2510 4.2mm 4-pin Linear: Supports KS3, X5, Z15Pro, S19XP, S19, S19 Pro-A, S19j Pro, S19j Pro+.

Whether you’re upgrading your cooling system or replacing a faulty fan, this 120x120x38mm MARTECH unit delivers performance you can trust.

Technical Specifications