About the Product

Universal Fan Speed Tester for 4-Wire and 6-Wire Cooling Fans
Ensure your miner’s cooling performance with this reliable Cooling Fan Speed Tester, designed to support both 4-pin and 6-pin high-speed fans. This tool helps verify fan functionality, RPM output, and connector compatibility in crypto miner power supplies, hashboards, and other cooling modules.

Easy-to-Use Diagnostic Tool for Miner Maintenance
With its compact and user-friendly design, the fan tester allows quick plug-and-play testing of 12V DC fans commonly used in Antminer, Whatsminer, Avalon, and other ASIC miners. A built-in digital display shows real-time RPM, enabling miners to diagnose fan issues and prevent overheating during operations.