Open "24V DC Cooling Fan" package, fans for 120mm * 120mm * 25mm size, and equipped with a power cord and four mounting screws. It is worth noting that there are 3PIN motherboard power connector interface and a large 4PIN power interface of two specifications, the product nameplate clear positive and negative. "24V DC Cooling Fan" positive trademark game Storm uses a DC input voltage of 12V, operating current is only 0.1A, and this fan support minimum 5V voltage start, let the fan run environment more diverse, better guarantee chassis cooling efficiency. Pressure, turning the fan side of the box marked signs of wind pressure and the fan turning, when the terms of the user to install the resolution, and will not install in the opposite direction; the motor and "24V DC Cooling Fan" by 4 square framework support, power cord skeleton inside go dark line, without prejudice to the fan operation; blades sidespin can be pressed downward pressure, and provide a larger amount of wind, four corner mounting port is also very tight, not because of fan operation after installation and vibration.