1、Using the 20PIN interface on the motherboard, four USB 0 interfaces can be derived from the connection line. 2、Compatible with any USB devices, support for 0/0/1 device. 3、Plug and play without driver installation. 4、It can be fixed in optical disk driver. 5、With high-strength shielding wire, high-frequency transmission is not subject to various electromagnetic interference in the computer case. Features: Using the 20PIN interface on the motherboard, four USB 3.0 interfaces can be derived from the connection line. Compatible with any USB devices, support for 3.0/ 2.0/ 1.1 device. Plug and play without driver installation. It can be fixed in optical disk driver. Hardware requirements: The main board or adapter card has two USB 3.0 20pin interfaces, and one idle optical drive. With high-strength shielding wire, high-frequency transmission is not subject to various electromagnetic interference in the computer case. Specification: Condition: 100% Brand new Material: Aluminum alloy Line length: 0.6M Installation position: optical drive Quantity of USB 3.0: 4 Transmission speed: 5Gb/S Package list: 1* Panel 1* Screws Package Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.