5.25� PC Front Panel 2 channel Fan speed controller w/20Pin USB3.0 HUB CPU Temperature Fan Controll,5.25 inch PC fan speed controller Compatibility: 5.25� PC Front Panel 2 channel Fan speed controller w/20Pin USB3.0 HUB CPU Temperature Fan Controll Material: Plastic Package Contents: 5.25� PC Front Panel 2 channel Fan speed controller w/20Pin USB3.0 HUB CPU Temperature Fan Controll