MULTI CORE X8 DP-N422-X8BK Features: 4 built-in fans deliver high airflow volume for cooling the entire notebook base with no blind area. Creative Multi-Core Control Technology enables users to select from one of the 4 different fan operating combinations: 4 fans ON / 2 upper fans ON / 2 downside fans ON / 4 fans OFF. Ergonomic design with 2 viewing angles for improved user comfort. 4 aluminum panels with Vertical Airflow Design that delivers airflow in 4 different directions to achieve superb cooling performance. 2 USB ports for connecting to external USB devices. Specifications: Overall Dimension 381X268X29mm Fan Dimension 100X100X15mm Net Weight 1290g Bearing Type Hydro Bearing Rated Voltage 5VDC Operating Voltage 4.5~5VDC Started Voltage 4VDC Rated Current 0.2±10%~0.4±10%A Power Input 1~2W Fan Speed 1300±10%RPM Max. Air Flow 53.4CFM Noise 23dB(A) EAN 6933412775249/6933412775249 P/N DP-N422-X8BK