This adapter allows you to convert your motherboard USB 2.0 port so it can be connected to a USB 3.0 20-pin host. Supports external USB 3.0 front panel connectors to USB 2.0 motherboard connectors.
Connector A : 20 Pin USB 3.0 Male Adapter USB 3.0 to USB 2.0
Connector B : 9 Pin USB2.0 Female Adapter