Designed with a powerful fan speed of 1200RPM and a single 4PIN interface. The double-sided vibration-dampening plastic pads and hydraulic bearings effectively reduce noise. Automatic motherboard speed control allows a balance between extreme cooling and noise reduction. Magnificent 35CFM airflow and 12V operation. Suitable for most computer boxes. Material: Plastic Color: Ice Blue Voltage: 12V Speed: 1200RPM Airflow: 35CFM Size: 12cm x 2.6cm Package Size: 25cm x 12cm x 10cm Weight: 0.59kg Note: This product includes only 4 cooling fans, no other items. Due to different lighting and screen settings, the colour of the item may differ slightly from the picture. Due to manual measurement, please allow a slight difference in size. What's in the box? 4 x CPU Cooling Fans with 16 standard screws