Mô tả sản phẩm: Model R9-NBC-XL2K-GP (USB Hub version) / R9-NBC-XL2E-GP (w/o Hub version) Color Black Materials Metal + plastic Weight 0.795kg (28.04oz) Dimensions 330 x 251.2 x 28.2mm (12.9x9.8x1.1 inch) Fan Dimensions 140 x 15mm (5.5 x 0.59 inch) Fan Speed 700 – 1400 ± 150 RPM Fan Airflow 46.8 CFM Fan Noise Level 15 – 21 dBA Power USB 5V DC USB Mini USB x1 + USB2.0 x2 Current Consumption 0.20 - 0.34A Power Consumption 0.9W - 1.7W Compatibility Supports up to 15.6" laptops