About the Product
KY12038B12DN 120mm High-Speed Cooling Fan for Antminer S21, L7, KA3, T19, and More

Enhance your mining rig’s cooling efficiency with the KY12038B12DN 120x120x38mm Cooling Fan. Designed for high-performance and long-lasting durability, this powerful 12V 2.8A fan is a direct replacement for worn-out or damaged fans in Antminer S21, T21, L7, KA3, KS3, S19, S17, and other models in the 17 and 19 series.

Efficient, High-Speed Cooling with PWM Control & Speed Sensing

Built with high-precision double ball bearings, the KY12038B12DN delivers extended operational life and maintenance-free performance. Spinning at 6000 RPM, it produces a strong 267 CFM airflow with a noise level of 65 dBA, ideal for maintaining optimal miner temperatures under heavy workloads. The fan also supports PWM (Pulse Width Modulation) and speed monitoring to enable smart, real-time control of fan speed and temperature regulation.

Why Choose KY12038B12DN for Your Miner?

• Perfect fit for a wide range of Antminer models including S21, T21, KA3, KS3, L7, D7, S19 series, and S17 series

• Robust 6000 RPM fan with high airflow output (267 CFM)

• Long-lasting double ball bearing design

• Built-in PWM function for intelligent temperature control

• Speed sensor for real-time monitoring and system efficiency

• Easy installation as a direct replacement

Technical Specifications – KY12038B12DN