The 4x EKWB Vardar S 140ER D-RGB Fan is a high-quality case fan designed for optimal cooling performance. With a maximum airflow volume of 115 CFM and a maximum fan speed of 2200 RPM, this fan is perfect for keeping your computer system running smoothly. The fan features a sleeve bearing type, multicolor fan light color, and a 4-pin power connection for easy installation. Made of durable plastic and measuring 140mm in length and height, this fan is a reliable and efficient choice for enhancing the cooling system in your computer case.