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PCI 2-port DB9 RS232 Serial Card with WCH CH351Q Chipset

  • Product Code: PCI-2S-351Q
  • Availability: In Stock
  • Ships: Typically within 3 Business Days
  • Guarantee: 30-day Return and Money Back


This 2 Port Serial Card can be installed in an available PCI slot to add two RS232 serial ports to your system. Perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more to your system. Data transfer rates of up to 1 Mbps for efficient serial device performance. Easy Plug & Play installation- automatically selects IRQ and I/O address to save valuable resources for other expansion card and eliminates conflicts. Built-in 16C550 Compatible UART with 16 byte transmit-receive FIFO to ensure fast data transfer while multitasking.


  • Compliant with PCI Base Specification Revision 2.1
  • Compatible with industrial standard 16C450\16C550\16C552 UART
  • On chip 16-byte depth FIFO in transmit, receive path of each port
  • Support for bi-directional data transmission, the transmission speed up to 2M bytes support
  • Built-in SPP、PS/2、EPP、ECP compatibles with IEEE1284 Printing Protocol
  • Supports 5-6-7-8-bit serial format
  • Support 1 or 2 Stop bit operation
  • Support serial frame error detection, support Break line interval.
  • Support hardware flow control signal CTS and RTS automatic handshake and automatic transmission rate control, compatible TL16C550C.
  • Serial Port communications baud rate up to 115200bps


  • Chipset: CH351Q
  • PCI Specification Revision: PCI 2.1
  • Input Bus Interface: PCI 32-bit Male
  • Ports: 2 x RS-232 (DB9, 9-pin, D-sub) Male connector
  • Data Transfer Rate: 1 Mbps
  • UART: 16550
  • Dimensions: 114 x 120 x 19 mm
  • Weight: 60 gms
  • System supported: Windows 10,8.1,8,7, Vista, XP,2000, NT 4.0, Server 2003 Linux kernel 2.6 or later, DOS

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