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Item#: N82E16815166003

Rosewill Model RC-300 - Single Serial Port PCI Card

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  • PCI to 1 x Serial Port Card
  • NetMos 9820 Solution Supports Up to 16550 Fast UART Serial Port
  • Easy Plug and Play Installation in Windows 98SE / ME / 2000 / XP, DOS

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Why spend money on expensive multi-port cards when you don't have to? Rosewill's RC-300 single serial port card supports up to 1MB/s transfer rates. The DB9 connector makes it compatible with most devices on the market.

Multi-card capability lets you add cards as your needs increase. IRQ sharing and auto-selection make installation and setup a snap.

  • newegg One Serial Port The Rosewill RC-300 features a 9-pin RS232 serial port to add additional serial capability to your computer. Just connect your computer with serial port devices such as modems easily!
  • newegg PCI Interface The Rosewill RC-300 features a PCI interface compliant with Plug-n-Play. Simply install the card into your PC's free PCI slot without powering down the system!

Learn more about the Rosewill RC-300




PCI to Serial Port Card
External Ports
1 x 9 pins serial connectors
Data Transfer Rate
Operating Systems Supported
Windows 2000, Windows XP/2003/Vista 32/64 bit, Windows 7 32/64 bit, Windows 8 32/64 bit, Windows 10
Supports up to 16550 Fast Uart serial port

Easy Plug and Play installation

Automatically selects IRQ & IO address

Supports IRQ sharing

Built in 16C550 compatible UART with 16byte transmit-receive FIFO

Multi - card capability - allow for upgrade with additional serial or parallel cards

For 5V PCI slot only


Package Contents
RC-300 Serial Port Card
CD Drivers
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 0 day
  • Limited Warranty period (labor): 1 year
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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