Features: 1.G1/4 thread water pump for computer CPU water cooling system. 2.Noiseless water cooling pump ? Ultra?quiet operation won't disturb you. 3.Made of high?quality acrylic and plastic, ensure a long service life. 4.Stable performance with high flow rate( 500L/H) 5.Easy to install and use. specification: G1/4 thread water pump for computer CPU water cooling system. Noiseless water cooling pump - Ultra-quiet operation won't disturb you. Made of high-quality acrylic and plastic, ensure a long service life. Stable performance with high flow rate( 500L/H) Easy to install and use. : Type: Water Pump Voltage: 12V DC, large 4P / small 3P plug Current: 0.8A Power: 10W Lift: 4 meters Flow rate: 500L/H Material: Acrylic + Plastic Thread: G1/4 Inlet and outlet: 1/4 internal thread, Thread Coupling is NOT included Weight: Approx. 290g Size: Approx. 5 * 5 * 7.8cm / 2 * 2 * 3.1in Package size: Approx. 13.5 * 8.5 * 9.5cm / 5.3 * 3.3 * 3.7in Package list: 1 * Water Pump Note: 1. Please allow slight error due to manual measurement. Thanks for your kind understanding. 2. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.