Your Connectivity: The AX99100 PCIe serial card provides you with additional serial ports, expanding your PC's connectivity and allowing you to more devices at once. High-Quality Material: Made from high-quality printed circuit board (PCB) material, this PCIe to serial adapter ensures durability and reliability for long-term use. for Professionals: Whether you're a business owner, IT professional, or enthusiast, this PCIe serial card is the perfect solution for adding serial connectivity to your computer. Versatile Usage Scenarios: Use this PCIe to serial port card to a wide of devices, including printers, scanners, modems, and more. Perfect for industrial, commercial, and use. Hassle-Free Installation: With its easy-to-install design and plug-and-play functionality, this PCIe serial card requires no additional or software, making it a hassle-free solution for expanding your PC's serial connectivity. Color: As Shown Material: PC+Metal Package Contents: 1PCS x Serial Port Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.