Gold-plated design: Scratch and wear-resistant, ensuring firm connections and stable transmission. Expansion capabilities: The adapter card expands 2 independent 9-pin standard serial ports and 1 printer port. High-performance master control: Equipped with ASZX AsiaInfo master control for faster speed and higher reliability. Excellent electrical performance: Ensures stable and fast communication, making it a smart choice for automation engineering applications. Supports remote wake-up and power management functions. Item Type: Expansion Card Material: PCB Color: As Pictures Shown Single-lane (X1) PCI Express endpoint controller with PHY integrated Compliant with PCI Express 2.0 Gen 1 Compliant with PCI Express card specifications Compliant with PCI Power Management 1.2 Supports four PCI Express functions Supports both legacy and MSI Interrupt Supports ASPM Power Management Serial Port Interface Dual or Quad Core UARTs Bidirectional speeds up to 25 Mbps per port Full serial modem control Supports hardware, software flow control Supports 5, 6, 7, 8 and 9-bit serial format Supports even, odd, none, space and mark parity Supports custom baud rate by internal PLL or external clock Supports On Chip 256 Byte deep FIFOs in transmit, receive path for each serial port Supports remote wake-up and power management functions Supports serial port transceiver shutdown Supports slow IrDA mode (up to 115200bps) on all serial ports Supports multi-drop application for 9-bit mode Supports DMA burst transfer Includes: 1 x Expansion Card, 1 x CD, 1 x Cable Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will give you the best solution!