size:40x40x20mmBearings: magnetic bearingsRated voltage: 12VOperating voltage: 4V-13VCurrent: 0.8WSpeed: 5200rpm (full speed)Noise: 18dBA (full speed)Air flow: 6.3CFMSustainable operating time of 100,000 hoursConnector motherboard standard three-pin three-wire does not support speed monitoring