Features 1、HIGH SPEED TRANSMISSION: PCIe x1 RS232 serial adapter card supports up to 250Kbps serial transmission rate and 2.5Gbps PCIe x1 bandwidth, which can transmit data quickly and improve work efficiency. 2、WIDELY USED: PCI Express RS232 serial adapter card is suitable for connecting various serial devices, such as printers, barcode scanners, CNC machine tools, etc, to meet the needs of different industries. 3、MULTI SYSTEM COMPATIBILITY: The PCIe x1 to RS232 serial adapter card is suitable for Windows, for Linux, for DOS and other operating systems, which can meet the needs of different users. 4、DURABLE AND RELIABLE: PCI Express x1 to RS232 adapter card is made of PCB material, which is durable and anti interference to ensure stable operation for a long time. 5、EASY TO INSTALL AND USE: The RS232 serial port card adopts standard PCIe x1 bus interface, which is suitable for most motherboards and supports hot swap, very convenient and simple installation. Specification Item Type: PCIe x1 RS232 Serial Adapter Card Material: PCB Interface Type: PCIe x1 to RS232 PCIe x1 Bandwidth: 2.5Gbps Serial Port Transfer Rate: 250Kbps Compatible Slots: x1, x4, x8, x16 PCIe slots Supported Operating Systems: For Windows, for Linux, for DOS Package List 1 x PCIe x1 RS232 Serial Adapter Card