Chameleon Specification ~ Dimensions: 80 x 80 x 25mm ~ Fan Size: 8cm ~ Bearing Type: Sleeve ~ RPM: 2000 RPM ~ Air Flow: 21.5 CFM ~ Noise Level: 20.30 dBA ~ Power Connector: 3 pin ~ Package Contents: Case Cooling Fan 3 / 4 Pin Power Connector Bolts