Features: Experience unparalleled cooling efficiency with our advanced 4+4 line PWM full speed fan Emulator, to maintain temperatures. This fan Emulator ensures reliable performances and durability for extended use in any setups. 4+4 line fan Emulator for S17 & S19 series air-cooling miners. Perfect for computer and office environment, our fan Emulator seamlessly integrates with your existing hardware enhances your cooling capabilities. Elevates PC operations by ensuring it cool with our fan Emulator, essential component computer. Specifications: Item: 4+4 Line PWM Full Speed Fan Emulator Size：about 14x3x2CM/5.51x1.18x0.79in Package Includes: 1PC 4+4 Line PWM Full Speed Fan Emulator note: Please allow 1-2cm errors due to manual measurement,please make sure that do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color the item.