StarTech.com PEX4S232485 – 4 Port RS232/422/485 PCIe Serial Card
The 4 Port RS232/422/485 PCIe Serial Card is a reliable, high-performance solution for connecting serial devices to a computer. This device features a PCIe interface, providing fast and reliable data transfer rates. The card supports a wide range of serial protocols, including RS232, RS422, and RS485, making it an ideal choice for various industrial and commercial applications.
The card’s architecture is designed to provide maximum flexibility and scalability. It features four independent serial ports, each with its own set of configuration options. This allows users to customize the card’s settings to meet the specific requirements of their application. The card also supports a wide range of baud rates, from 50 to 921600 bps, making it suitable for use with a variety of serial devices.
In enterprise environments, the 4 Port RS232/422/485 PCIe Serial Card can be used to connect serial devices such as printers, scanners, and other peripherals to a computer. It can also be used to connect to industrial control systems, medical devices, and other equipment that require serial communication. The card’s reliability and flexibility make it an ideal choice for mission-critical applications where data loss or corruption is not acceptable.
Technical Specifications
| Brand | StarTech.com |
| SKU | PEX4S232485 |
| Category | Keyboards & Mice |
| Ports | 4 |
| Interface | PCIe |
| Protocols | RS232, RS422, RS485 |
| Baud Rate | 50 to 921600 bps |
| View all StarTech.com Products → | |
Challenges Solved by this Solution
The 4 Port RS232/422/485 PCIe Serial Card solves several business pain points for IT professionals. One common challenge is the need to connect multiple serial devices to a computer, which can be difficult and expensive using traditional serial cards. This device provides a cost-effective solution by offering four independent serial ports on a single card.
Another challenge is the need to ensure reliable data transfer between serial devices and a computer. The card’s high-performance architecture and support for a wide range of baud rates ensure that data is transferred quickly and accurately.
The card also helps to mitigate the risk of data loss or corruption, which can be a major concern in mission-critical applications. By providing a reliable and flexible solution for serial communication, the 4 Port RS232/422/485 PCIe Serial Card helps to reduce IT overhead and improve operational efficiency.
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Frequently Asked Questions
What is the maximum baud rate supported by this device?
The maximum baud rate supported by this device is 921600 bps.
Can I use this device to connect to industrial control systems?
Yes, this device can be used to connect to industrial control systems and other equipment that require serial communication.
How many serial ports does this device have?
This device has four independent serial ports.
Can the TECHOM Systems Sales team help me with installation support for this device?
Yes, the TECHOM Systems Sales team can provide installation support and answer any questions you may have about this device.
Is this device compatible with my existing PCIe slot?
This device is compatible with most PCIe slots, but it’s recommended to check your computer’s documentation to confirm compatibility.


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Product Ref: TOS-204608 • Get enterprise pricing, volume discounts, and Australian support.






























