
Description
StarTech.com PEX4S232485 4-Port PCIe Serial Card 2xRS232 2xRS422/485
This is a StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 (MPN: PEX4S232485, UPC: 065030849357). The PEX4S232485 adds two RS232 serial ports and two RS422/RS485 serial ports to your PC through a PCI Express expansion slot. It supports RS-232, RS-422, RS-485 2-wire, and RS-485 4-wire modes for versatile serial communication in full-size or small form factor systems. Backed by StarTech.com lifetime warranty and free lifetime technical support.
Versatile Serial Connectivity Features
- Mixed Port Configuration – Two RS232 ports plus two switchable RS422/RS485 ports for broad protocol support including RS-232, RS-422, RS-485 2-wire, and RS-485 4-wire modes.
- Breakout Cable Design – Single breakout cable connects all four DB-9 ports, minimizing clutter and simplifying cabling for industrial or legacy device connections.
- Flexible System Fit – Low-profile and full-profile bracket options ensure compatibility with compact PCs and standard towers.
- High-Speed Performance – Up to 3.59 Mbit/s data transfer rate on RS422/RS485 ports, suitable for demanding serial applications.
- TAA Compliant Build – Meets Trade Agreements Act standards; manufactured in Taiwan with RoHS, WEEE, and REACH certifications for environmental compliance.
- Plug-and-Play Ready – Includes driver CD for easy setup on PC platforms.
Comprehensive Technical Specifications
| Specification | Details |
|---|---|
| Brand | StarTech.com |
| Manufacturer | StarTech.com |
| MPN / Manufacturer Part Number | PEX4S232485 |
| UPC | 065030849357 |
| Product Type | Multiport Serial Adapter |
| Host Interface | PCI Express x1 |
| Maximum Data Transfer Rate | 3.59 Mbit/s |
| Platform Supported | PC |
| Ports | 2 x RS232, 2 x RS422/RS485; 4 x DB-9 Serial via breakout cable |
| Form Factor | Plug-in Card |
| Card Height | 2.7" |
| Card Width | 0.6" |
| Card Weight (Approximate) | 2.40 oz |
| Package Weight | 0.80 lb |
| Package Height | 1.70" |
| Package Width | 5.80" |
| Package Depth | 8.30" |
| Length Description | Short |
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| Environmental Certifications | RoHS, WEEE, REACH |
| Environmentally Friendly | Yes |
| Warranty | StarTech.com Lifetime Warranty |
| Packaged Quantity | 1 Each |
Installation Guide for StarTech.com PCIe Serial Card
Simple PCIe installation typically takes 10-15 minutes. Pro tip: Ground yourself with an anti-static wrist strap to protect components.
- Power off PC and unplug from power source; open case and locate available PCIe x1 slot.
- Remove bracket cover; insert card firmly into slot and secure with low-profile or full-profile bracket as needed.
- Connect the included breakout cable to the card's internal connector for external DB-9 access.
- Close case, power on, and boot into OS; insert driver CD or download from StarTech.com for automatic detection.
- Verify ports in Device Manager; test with serial devices. Pro tip: Update motherboard chipset drivers prior to installation for optimal compatibility.
Why Choose StarTech.com 4-Port PCIe Serial Combo Card
The PEX4S232485 provides a reliable single-card solution for expanding serial connectivity, with broad protocol support and included accessories for immediate deployment in professional environments.
Enhance your PC with StarTech.com PEX4S232485 serial ports—Order today!
Type: Multiport Serial Adapter
MPN: PEX4S232485
Compatible Brand: StarTech.com
Country of Origin: Taiwan
Compatible Port: PCI Express x1
External Interfaces: Serial (RS-232)
Number of Ports: 4 Ports
Model: PEX4S232485
Manufacturer Warranty: Lifetime
Brand: Does not apply
UPC: 065030849357
