Welcome to our store! This expansion panel is designed for use with a motherboard that has a 19PIN socket. It allows you to add 2 front USB3.0 interfaces and 2 TYPE-C interfaces by installing it in the optical drive bay. To use this panel, you need a motherboard with a PCI-E interface or an adapter card, along with an available optical drive bay. Installation is simple and convenient, saving you time and effort. It is an ideal choice for electronic DIY enthusiasts to practice their hands-on ability. This panel is made of high-quality electronic components, ensuring stable and reliable performance. The package includes 1 expansion panel, 1 SATA cable, 1 19-pin cable, and 5 screws. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.