brand new and high quality Feature: The PCIE 1x to RS232 8-port serial card can use the idle PCIE 1x socket on the motherboard to expand 8 RS232 serial ports for automation system manufacturing and system integration. It can provide 8 RS232 serial ports to connect various serial devices, such as PC terminal, modem, printer, scanner, fingerprint reader, password keyboard. Display and more. High-speed transmission, each port data transmission can reach 921.6KBPS. 8 standard RS232 serial DB9 pin interfaces are equipped with an eight serial cable, which makes connection more convenient. Provide mediation control signals to ensure compatibility of serial device peripherals, so that multiple serial cards can be installed in commonly used PCs or servers. Specifications: Interface: PCI for Express Slot Material: Plastic + Metal Length: approx.120mm/4.72in Color: As pictures shown Quantity: 1 Set Note: 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: 1 Set x 8 Port for Express Card (other accessories demo in the picture is not included.)