Features: new and Boost Your Connectivity: The AX99100 PCIe serial card provides you with additional serial ports, expanding your PCs connectivity options and allowing you to connect more devices at once. High- PCB Material: Made from high- printed circuit board (PCB) material, this PCIe to serial adapter ensures durability and reliability for long-term use. Ideal for Professionals: Whether youre a business owner, IT professional, or tech 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 connect a wide range of devices, including printers, scanners, modems, and more. Perfect for industrial, commercial, and personal use. Hassle-Free Installation: With its easy-to-install design and plug-and-play functionality, this PCIe serial card requires no additional drivers or software, making it a hassle-free solution for expanding your PCs serial connectivity. Specifications: Material: plastic Color: Black Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1PC x Serial Port Adapter