Optimize Antminer S19k Pro with 4-in-1 Fan Speed Simulator
Upgrade your Antminer S19k Pro for advanced cooling performance with the 4-in-1 Fan Speed Simulator. Designed to support both standard 4-pin and square 4-pin connectors, this compact device allows seamless operation without high-speed fans—making it ideal for transitioning to water cooling, immersion setups, or silent mining modifications.

Reduce Noise & Maximize Cooling Efficiency
Perfect for muffler installations or alternative cooling solutions, this fan spoofer emulates real fan speeds to prevent system errors and shutdowns. Achieve quieter, more stable mining while maintaining peak efficiency. An essential upgrade for any serious ASIC miner.