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4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot

Product ID: PEX4S553

  • Four high speed RS232 serial ports, with support for data transfer rates up to 128000bps
  • 256-byte deep FIFO per transmitter and receiver
  • Native single-Chip, single lane PCI Express
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  • Includes half-height/low profile mounting brackets
  • Built-in 16C450/550 compatible UART
  • Compliant with PCI Express Base Specification 1.1
$114.99 USD
18+ In stock
In stock
US: 0 | CA: 18
18+
In stock
Where To Buy
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Technical Specifications

Warranty Information
Warranty Lifetime
Hardware
Bus Type PCI Express
Card Type Standard Profile (LP bracket incl.)
Chipset ID ASIX - MCS9904CV-AA
Interface Serial
Port Style Integrated on Card
Ports 4
Performance
Data Bits 5, 6, 7, 8
FIFO 256 bytes
Max Baud Rate 128 Kbps
MTBF 26,280 Hours
Parity 5, 6, 7, 8
Serial Protocol RS-232
Connector(s)
Connector Type(s) 1 - PCI Express x1 Male
External Ports 4 - DB-9 (9 pin, D-Sub) Male
Software
Microsoft WHQL Certified Yes
OS Compatibility Windows® DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
Mac OS® 10.4 to 10.10
Linux 3.5.x to 4.11.x LTS Versions Only
Environmental
Humidity 5~85% RH
Operating Temperature 0°C to 50°C (32°F to 122°F)
Storage Temperature -20°C to 60°C (4°F to 140°F)
Physical Characteristics
Color Green
Product Height 0.7 in [1.9 cm]
Product Length 4.7 in [12 cm]
Product Width 5.1 in [13 cm]
Weight of Product 2.6 oz [74 g]
Packaging Information
Package Height 1.2 in [30 mm]
Package Length 6.7 in [17 cm]
Package Width 5.6 in [14.1 cm]
Shipping (Package) Weight 8.1 oz [230 g]
What's in the Box
Included in Package 1 - 4 Port PCI-Express RS-232 Serial Card
1 - Bracket with 2 DB9 male ports
4 - Low Profile Brackets
1 - Driver CD
1 - Instruction Manual

Compatibility

View full OS compatibility
Windows® DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
Mac OS® 10.4 to 10.10
Linux 3.5.x to 4.11.x LTS Versions Only

Certifications

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Accessories

4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

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