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StarTech 4-Port RS232/422/485 PCIe Serial Card - PEX4S232485

VENDOR: STARTECH Mfg Part#: PEX4S232485 UPC#: 065030849357
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$148.67
$148.67
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MSRP: $149.99
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  • Supports RS-232, RS-422, and RS-485 communication protocols
  • 4 serial ports with DB-9 (9-pin D-Sub) connections
  • PCI Express interface for high-speed, reliable system integration
  • Data transfer rates up to 460.8 Kbps
  • RoHS compliant and TAA certified for regulated environments
  • Includes lifetime service and support

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Key Benefits

Eye-Insights
  • Ideal for legacy device integration in industrial and commercial applications with multi-protocol support (RS-232/422/485)
  • Ensures long-term reliability with lifetime support and TAA compliance for federal procurement
  • High signal integrity and compatibility enabled by PCIe design and DB-9 interfaces

Product Overview

Add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot - pcie rs485 - pci express rs485 - pcie rs485 - pci express rs422 - pcie rs422

Specifications

Product Overview
Product Type Network Adapter
Form Factor Plug-in Card
Card Type PCI Express Serial Adapter
Chipset ASIX MCS9904
Supported Protocols RS-232, RS-422, RS-485
Power Requirements 3.3V / 12V from PCI Express slot
Enclosure Color Green
Weight 65 g

Wireless Features
Wireless Capability

Compliance & Origin
Country of Origin Taiwan
RoHS Compliance Yes
TAA Compliant Yes
Certifications CE, FCC, RoHS, REACH

Advanced Security Features
ESD Protection 15kV Air and Contact Protection
Surge Protection Yes, built-in line protection

Interfaces
Interface Type PCI Express x1
Number of Ports 4
Port Type DB-9 (9 pin D-Sub)
Port Configuration 2 x RS-232, 2 x RS-422/485 (jumper selectable)
Data Transfer Rate Up to 460.8 Kbps
Connector Type DB-9 Male
Bus Type PCI Express 2.0

Physical & Environmental
Width 0.6 in (15 mm)
Depth 5.3 in (135 mm)
Height 2.7 in (69 mm)
Operating Temperature 0°C to 50°C (32°F to 122°F)
Storage Temperature -20°C to 70°C (-4°F to 158°F)
Humidity (Operating) 5% to 95% RH (non-condensing)
MTBF 231557 hours

Cloud Management & Licensing
Management Software No management software required
Drivers Included Yes
Operating System Support Windows 7/8/10, Linux 2.4.x and later
Plug-and-Play Yes

Packaging & Support
Package Contents 1 x PCIe Serial Card, 1 x Low Profile Bracket, 1 x Quick Start Guide
Bracket Included Full Height + Low Profile
Service & Support Type Lifetime Technical Support
Warranty Lifetime Warranty