Feature:1. Connector: Connector 1 is a USB 3.0 20Pin socket, and connector 2 is a USB 3.1 20Pin front panel connector.2. PCIE to USB 3.1: The adapter is a converter that can convert the available PCIE 1x of the motherboard to a USB 3.1 connector.3. Easy Installation: Install and use, easy to install, can be inserted directly, no additional accessories are required.4. Uses: This adapter card is used for hard disk expansion and adapter, suitable for desktop computers, and is the perfect solution for using USB 3.1 connectors with Type C or Type A.5. High Quality Materials: Made of high quality PCB, the adapter card is sturdy, durable and has a long service life.Specification:Item Type: Adapter CardMaterial: PCBModel: for PH61Function: Hard Disk Expansion TransferScope of Application: Desktop.Package List:1 x Adapter Card1 x Screw