Description: The computer case cooling fan could delay the aging process of internal hardware, prolonging the lifespan of the PC. The curvature of the fan takes the and silence both into account, quickly and quietly removes the heat from the processor & hardware. The cushions on the corners of the fan provide better performance on the acoustic aspect, reducing the noise generated by resonance and tiny vibrations. Dual modes interface, adaptable 3pin & 4pin power connector, compatible with 2 kinds of connection. The excellent computer case cooling fan brings out a better performance for the processor & hardware, the LED lighting would keep giving you exciting PC gaming nights. Specification: Material: ABS Plastic Size: 120x120x25mm/4.72x4.72x0.98inches Connection: 3-Pin & 4-Pin dual-mode connector Voltage: 12V :41.2CFM Fan Speed: 1100 RPM10% Package Includes: 1 Piece Computer Case Fan 4 Pieces Mounting Screws Note: Please select one socket to plug, do not connect both interfaces at the same, otherwise, it could cause short-circuit! The color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement/margin tolerance.