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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. Michel L

    ....

    19 Jul 2025

  2. Francois J

    Best place to find otherwise difficult to find parts!

    18 Jul 2025

  3. Jack A

    It was simple, clear, and I like that there are pictures to show what the different type cables look like. I will, depending on my experience once the product arrives, definitely recommend this as a shopping site for custom cables. I needed a new power cable for a RTX5090 because the "Show Model" didn't have it's cable that came in the box for some reason.

    17 Jul 2025

  4. GaryFerguson

    Simple

    17 Jul 2025

  5. Prasad

    Thank goodness for Moddiy! They had a part that I needed but was unable to source locally. Even though the order was placed in the US (I'm in Australia), shipping occurred from out of Hong Kong, so was both inexpensive and relatively quick to arrive.

    17 Jul 2025

  6. A Reviewer

    Had what I needed.

    17 Jul 2025

  7. Mario

    I was able to find the product that I needed and on the process bought other products that looked pretty interesting for buying. The product arrived pretty fast and well packaged.

    17 Jul 2025

  8. Balong

    Was extremely straight forward, would recommend to anyone looking for anything aftermarket!

    15 Jul 2025

  9. R Roy

    The tracking service sucks.

    15 Jul 2025

  10. Joseph

    Ez, found rare cable after hours of headache google

    15 Jul 2025