StarTech.com 4-Port PCIe Serial
Expand your system's connectivity with the StarTech.com 4-Port Serial PCI Express Card. This versatile adapter adds four serial ports, supporting RS-232, RS-422, and RS-485 protocols, ideal for integrating legacy devices. Each port offers independent configuration via DIP switches and real-time data status monitoring with LED indicators. Power output is also configurable per port (12V, 5V, or none) for broad compatibility. It includes both standard and low-profile brackets, making it suitable for various desktop and server installations, and is perfect for point-of-sale, industrial control, and scientific applications.
$188.99
Owner Satisfaction
4.5
/ 5
Category Rank
289
/ 1154
#289 in Computer Interface Cards & Adapters
Price vs Category Average
-67%
Below average
Number of Ports
4
Who it's for
- High Port Density
- Reliable PCIe Performance
- Broad Operating System Support
Who should skip it
- Requires Internal Installation
- Higher Cost Investment
- Potential Slot Size Constraints
Key Specs
Number of Ports
4
Host Interface Type
PCI Express
Supported Protocols
RS-232, RS-422, RS-485
Connector Type
DB9
Card Form Factor
PCIe Full-Height, PCIe Low-Profile
Bracket Profile Type
Full Height, Low Profile
UPC
065030903141
MFG#
PS74ADF-SERIAL-CARD
Features
- Adds four versatile serial ports
- Supports RS-232, RS-422, and RS-485
- Independent port configuration via DIP switches
- Real-time LED data status indicators
- Configurable per-port power output
- Includes standard and low-profile brackets
- Connects legacy serial devices
- Ideal for industrial and POS systems
What customers say
Customers overwhelmingly value the StarTech.com 4 Port PCIe Serial Card for its exceptional reliability and professional quality. Reviewers consistently praise the robust build and high quality chipsets, which ensure stable, error-free communication essential for industrial and specialized networking needs. Installation is straightforward, with many noting seamless driver recognition across modern Windows and Linux systems. This ease of deployment saves significant troubleshooting time. While priced higher, the consensus is that the guaranteed long-term stability offers superior value, especially in mission critical settings. The card successfully resolves complex integration challenges with legacy hardware, establishing it as the trusted standard for dependable serial expansion.
Still have a question?
Ask Hayley anything about this product before you decide.