Blue Chrome Coating on Frame and Blades with 4 x Blue LEDs. Low Noise Level with Extreme Airflow of 83 CFM. Shining Surface Enhances Better Lighting Effect. 3 wires 3 pins connector directly connected to motherboard. 4 pins Molex connector directly connected to Power Supplies. 140mm to 120mm Fan Adapter Sold Separately 4 screws and a 3 to 4 pins adapter included