The Axxon LF1088KB PCIe 4-Port RS232 Serial Adapter Card is a high-quality interface/add-on card designed for expanding the port capabilities of your computer system. This card comes with a 12" cable for easy connectivity and features four RS232 serial ports for efficient data transfer. Perfect for enhancing your computer's performance and connectivity, this Axxon card is ideal for those looking to add more ports to their setup.