GDSTIME USB Connector 80mm x 80mm x 15mm DC 5V Power 3 Inch Brushless Cooling Fan Package include: 1pcs fan include mounting screws & nuts Rated Voltage: DC 5V; Rated Current: 0.3 Amp Rated Speed: 2500 RPMAir flow: 31.5 CFMNoise: 26 dBA Fan SIze: 80x80x15mmConnector: USB Plug Bearing Type: Sleeve Bearing ; Life: 35000 hours