Welcome to the store! 1. HIGH-SPEED TRANSMISSION: The PCIe x1 RS232 serial adapter card supports up to 250Kbps serial transmission speed and 2.5Gbps PCIe x1 bandwidth, enabling fast data transfer and improved work efficiency. 2. WIDE APPLICATION: The PCI Express RS232 serial adapter card is suitable for connecting various serial devices, such as printers, barcode scanners, CNC machine tools, etc., meeting the needs of different industries. 3. MULTI-SYSTEM COMPATIBILITY: The PCIe x1 to RS232 serial adapter card is compatible with Windows, Linux, DOS, and other operating systems, catering to the needs of various users. 4. DURABLE AND RELIABLE: Constructed from PCB material, the PCI Express x1 to RS232 adapter card is durable and anti-interference, ensuring stable long-term operation. 5. EASY TO INSTALL AND USE: The RS232 serial port card features a standard PCIe x1 bus interface, compatible with most motherboards and supporting hot-swapping for convenient and straightforward installation. Item Type: PCIe x1 RS232 Serial Adapter Card Material: PCB Interface Type: PCIe x1 to RS232 PCIe x1 Bandwidth: 2.5Gbps Serial Port Transmission Rate: 250Kbps Compatible Slots: x1, x4, x8, x16 PCIe slots Supported Operating Systems: For Windows, for Linux, for DOS 1 x PCIe x1 RS232 Serial Adapter Card Your satisfaction is our top priority. We are committed to providing you with the best service. If you encounter any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately, and we will offer the best solution!