Welcome to our store! 1. The PCIe parallel port card is a high-performance 32-bit local bus that supports the PCI 2.1 specification with a transmission rate of up to 1.5MB/S. 2. The expansion card supports plug and play, no switch or jumper, easy to install with software. 3. Using a high-speed I/O controller (16C550C or compatible for UART), it can effectively exchange, detect, and provide signals. 4. The PCI expansion card is mainly used for computer motherboards to realize various external functions. 5. The PCI expansion card is suitable for desktop computers and supports Windows98/2000XP systems. Item Type: PCI Express Card Support System: For Windows98/2000XP Usage: Plug and play installation is complete, just import the driver 1 x PCI Express Card 1 x CD Customers are our top priority. If you discover any issues with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.