Feature: 1. Scope of Application: The motherboard has a USB3.0 interface, and the chassis does not have a front USB3.0 interface. You can use The USB 3.0 19pin adapter to dual 9Pin adapter to switch to the front USB2.0 interface 2. Black PCB: The PCB color of the motherboard USB 3.0 19pin header adapter is black, the interface speed is 480Mbps, and the working environment is ‑20 to 75℃ 3. Wide Compatible: The USB 3.0 19pin female header adapter support for WIN XP, for WIN 7, for WIN 8, for WIN 10, for LINUX, for OS X 4. Use with Confidence: The USB 3.0 19pin adapter to dual 9Pin adapter can help you make full use of motherboard resources for dual 9 Pin 5. Easy to Use: The USB 3.0 19pin header adapter is easy to use without any driver, compact and easy to carry Specification: Item Type: USB 3.0 19pin Adapter to Dual 9Pin Adapter Material: Metal, Plastic Interface: USB3.0 19PIN Female PCB Color: Black Interface Rate: 480Mbps Read and Write Instructions: None Working Environment: -20 to 75℃ System Support: For Win XP, for Win 7, for Win 8, for Win 10, for linux, for OS X. Package List: 1 x USB 3.0 19pin Adapter to Dual 9Pin Adapter