LB1 High Performance New Toshiba Satellite L775-s7130 173-inch Laptop Graphite by Toshiba Super Cooling Fan Cooling System Cooling Pads with 5 Fans (Black)-18 Months Warranty 5 fans provides extreme air flow. High thermal heat dissipation prevents overheating . Great ergonomic shape for simple typing. Support low noise. Adjustable any Angle. Helps notebook to operate at full speed even while running high performance applications. Lightweight and compact - Perfect for portable user. Powered by 1 USB cable. Plug-and-play: no drivers or software needed. Rated Voltage: DC 5V. Speed: 1000-2000 RPM. USB Port: 2. Fan Dimensions: 4 pieces 14.5 x 10.5 x 1.3 - 2.3 inches - 1 piece 4.7 x 4.7 x 1.5 inches.