Antminer S17 S19 series 4-in-1 fan simulator adopts a complete power supply voltage stabilization protection circuit, often used in air-cooled mining machines, this product has four interfaces, and a pseudo-speed controller can simulate the speed of four fans. Suitable for Antminer s17 / s17+ / s17e / S17PRO / s19 / s19+ / s19pro / s19a / s19j / s19h / S19J PRO+, etc.