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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. Kaivon A

    Cables came exactly as ordered, felt very high quality -- connectors are secure and the silicone cables are much more flexible than I expected. Perfect for any cramped SFF build. Delivery time is a little long, but it did ship from the other side of the planet, so I can make an exception. Package tracking is very well done.

    03 Sep 2025

  2. David P

    Need higher res photos

    03 Sep 2025

  3. Declan M

    Second time buying, fantastic packaging last time. Can't wait to get the cable I need!

    02 Sep 2025

  4. Karim

    Quick safe and easy ! great

    02 Sep 2025

  5. Michael S

    Look and work great. Don't like the cable combs much. Having them not be removable is a bit of a bummer, especially since I had to painstakingly break the combs off of one of my cables for maximum clearance. Otherwise I had great customer service and I love the overall experience.

    02 Sep 2025

  6. Brian L

    Great as usual

    02 Sep 2025

  7. Dana W R

    You guys are the best !!!

    01 Sep 2025

  8. Ralph J

    Wide range of unusual products

    01 Sep 2025

  9. Katie M

    Quick and easy to find the part I needed. Lots of options for other parts, too!

    01 Sep 2025

  10. Kostas L

    Good

    01 Sep 2025