Features: 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 Card Material: PCB Model: for PH61 Function: Hard Disk Expansion Transfer Scope of Application: Desktop PackageList:1 x AdapterCard 1 xScrew