• Adds two RS232 serial ports to a desktop computer via PCI-Express slot. • MSC9901 chipset ensures compatibility and reliable performance. • Ideal for connecting serial devices like modems, printers, and industrial equipment. • Supports data transfer rates up to 230 Kbps per port. • Compatible with Windows, Linux, and other operating systems. • Brand new condition, never used. • Easy to install, plug and play.