Description
Product Overview
The StarTech.com PCIe 8 Port Serial Card (model PEX8S1050) brings eight high‑performance RS232 ports to a compact PCI Express x1 slot. Built on the SystemBase SB16C1058PCI chipset with a 16C1050 UART, each port supports bi‑directional speeds up to 921.6Kbps and a 256‑byte FIFO buffer for smooth data flow. The card is finished in a distinctive yellow color, measures 4.1 x 0.6 x 4.7 inches, and weighs just 2.56 ounces, making it easy to install in standard desktop or server chassis. It includes a 18″ DB62 to 8× DB9 breakout cable and optional hex nuts for secure DB9 connections. ![[Product front view showing all components]](https://www.finddomains.store/wp-content/uploads/2026/06/7d2dbfe3b12a4fa4a8ab8395334d4214.jpg)
Usage
Designed for point‑of‑sale terminals, industrial PLCs, medical devices, scientific sensors, and test equipment, this card thrives in environments that demand reliable serial communication. Whether you are connecting barcode scanners, receipt printers, or laboratory instruments, the card’s configurable power pins (12V/5V or none) simplify wiring to diverse peripherals. Compatible with Windows (XP and later) and Linux, it fits seamlessly into existing infrastructure without the need for additional drivers.
Why Choose Us
StarTech.com is known for rigorous quality testing and long‑term support. This serial card offers 15kV ESD protection on each port, ensuring durability in harsh industrial settings. The included breakout cable and mounting hardware reduce installation time, while the single‑slot PCIe design leaves other slots free for expansion. Our worldwide warranty and responsive technical support give you confidence that the product will perform reliably throughout its lifecycle.
Key Features
- Eight high‑speed RS232 ports delivering up to 921.6Kbps per port for fast data transfer.
- Configurable power pins provide 12V, 5V, or no power, accommodating a wide range of devices.
- Robust 15kV ESD protection safeguards against voltage spikes in industrial environments.
- Compact PCIe x1 form factor saves space and leaves additional slots available.
- Comprehensive after‑sales support and warranty from StarTech.com ensure peace of mind.
FAQ
What operating systems are supported?
The card works with Windows XP, Vista, 7, 8, 10, 11 and Windows Server 2003 onward, as well as major Linux distributions.
Can I use the card without the optional power?
Yes, pin 9 can be left unconnected if your attached devices provide their own power.
Is the card hot‑swappable?
While the PCIe slot supports hot‑plug, it is recommended to power down the system before installation for maximum safety.
What is the maximum cable length per port?
Standard RS232 specifications allow up to 15 meters (50 feet) at lower baud rates; higher speeds may require shorter cables.
Do you provide drivers for Linux?
The card uses standard UART drivers included in most Linux kernels, so no additional software is required.




USB to 8CH RS485 Isolated Converter UeeKKoo 8‑Channel Adapter
Reviews
There are no reviews yet.