This 2-port PCI express serial card adds two high-performance RS232 serial ports to your device, for connecting your serial-based devices and equipment. The dual port serial PCI express card can be installed into an available PCI Express slot, to provide two high-performance 16C1050 RS232 serial UART channels/ports. It offers a convenient solution for connecting modern or legacy equipment to newer computer systems that don't have RS232 ports. The low-profile serial card is compliant with PCI Express 1.0a specification, and it's compatible with 1x, 2x, 4x, 8x and 16x PCI Express slots. The PCI express serial adapter delivers high-performance serial communication, with support for data transfer rates of up to 460Kbps. The PCI express RS232 card provides CPU load decrease which helps ensure optimal system performance and prevent errors. In addition, the dual-channel UART card ensures smooth performance, even while both ports are in use. The low-profile serial card is easy to install and configure, with support for a broad range of Windows operating systems. Plus, the dual port serial PCI express card features IRQ sharing and supports plug-and-play serial device connections. hassle-free installation. The PCI express serial adapter comes with a standard-profile bracket installed, and also includes an optional low-profile bracket. The DB9 to PCIe serial expansion card is backed by a StarTech..