Bgears b-Shark120 Black Fan with Special 15 fan blades design for high performance high airflow for maximum cooling effect. Generate airflow of 83CFM at only 26.5dBA. Innovative Fluid Dynamic Bearing delivers longer life span, higher precision rotation and anti-shock function. All cables are "black" sleeved. Accessories include 4 screws. Customer Service: Support@bgears.com or call 510-657-7252.