Specification: Color:Black Size:90x90x25mm Speed:2300rpm 10% Noise(dBA):19.0 Voltage:12V DC Air flow(CFM):48 Life(hour):50000 Bearing System:Sleeve Power(W):2.76 Material:Plastic Wires/Connector:2wires/2x 4pin Length of wire:20-24cm Features: Low noise. Improve air flow. Cool your CPU when they are used, make your PC more durable. Power saving design, low power consumption, easy to use. Package Included: 1x CPU Fan