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PCI Express PCIe to 4 Port RS232 DB9 Serial Card MosChip MCS9904

SKU: SY-PEX-4S  |  Brand / Compatible with: MODDIY
PCI-Express PCIe to 4 Port RS-232 DB9 Serial Card (MosChip MCS9904)
  • PCI-Express PCIe to 4 Port RS-232 DB9 Serial Card (MosChip MCS9904)
  • PCI-Express PCIe to 4 Port RS-232 DB9 Serial Card (MosChip MCS9904)
  • PCI-Express PCIe to 4 Port RS-232 DB9 Serial Card (MosChip MCS9904)
  • PCI-Express PCIe to 4 Port RS-232 DB9 Serial Card (MosChip MCS9904)
  • PCI-Express PCIe to 4 Port RS-232 DB9 Serial Card (MosChip MCS9904)
$59.99
Availability:
In Stock
(Usually ships within 24 hours)

Product Description

PCI Express to Serial Port Card (4 x Serial Ports)

Features

  • Fully compliant with PCI Express Base Specification, Revision 1.0a
  • PCIe Multi Function Peripheral controller with x1 Lane Interface
  • Support for D1, D2, D3hot and D3cold
  • Support PCIe Power Management

Specifications

  • 16C450/550/Extended 550 compatible UARTs
  • Supports RS232, RS485 & RS422 modes (need a RS232 to RS485/RS422 Adaptor)
  • Bi-directional speeds from 50 bps to 16Mbps/Port
  • Full Serial Modem Control
  • Supports Hardware, Software flow control
  • 5, 6, 7, 8 and 9-bit Serial format Support
  • Even, Odd, None, Space & Mark parity supported
  • Custom BAUD Rates supported with external clock or by programming internal PLL
  • On Chip 256 Byte depth FIFOs in Transmit, Receive path of each Serial Port
  • Supports remote wakeup and power management features
  • Serial Port transceiver shutdown support
  • Support slow IrDA on all Serial Ports

OS Supported

  • Windows 32bit 2000/XP/2003 Sever/Vista and 64bit XP/2003 Server/Vista 
  • Linux Kernel 2.6.11 & above
  • Mac 10.4 & above

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Product Reviews

  1. Kyle

    Good place for hard to find parts. Shipping is easier than from the US and parts arrive quickly. Only issue is that they charge in USD and not my local currency. But it is what it is.

    21 Aug 2025

  2. A Reviewer

    Thank you! :)

    21 Aug 2025

  3. Ronald S

    The part was the right one and works beautifully. The material arrived in a timely manner and allowed me to continue the upgrade to my computer with great success.

    18 Aug 2025

  4. Tikiri W

    Too expensive for just a cable. Think about it.

    18 Aug 2025

  5. Dat L

    High quality cables

    18 Aug 2025

  6. Daniel Lai L

    Easy shopping experience!

    18 Aug 2025

  7. Victor

    Loved the help from Support team - very hard to navigate this many products without their help.

    17 Aug 2025

  8. Lea F

    Everything was very clear and easy to find. The ordering process was quick and simple. I only would have wished for a few pictures of the different cable types to better understand how they look.

    17 Aug 2025

  9. Calvin L

    skibidi fanum tax

    16 Aug 2025

  10. Andrew O

    Availability of parts that are hard to find seems unusually good and international shipping rates are very reasonable. Thank you!

    16 Aug 2025