StarTech.com 2 Port PCIe Serial Adapter Card – Add RS232 Ports to Your PC

Need to connect older serial devices to your modern computer? The StarTech.com PEX2S553 2 Port PCIe Serial Adapter Card is the perfect solution. This card allows you to add two RS232 (DB9) serial ports to your desktop PC through a single PCI Express slot. Ideal for connecting serial modems, barcode scanners,label printers, and other legacy devices.

This adapter card is designed for optimal performance, utilizing a native single-chip design to reduce CPU load by up to 48% compared to traditional serial cards. It’s also compatible with a wide range of operating systems, ensuring seamless integration with your existing setup.

Best Features:

• Dual RS232 Ports: Adds two high-speed RS232 serial ports to your computer.
• PCI Express Interface: Utilizes a PCIe slot for fast and efficient data transfer.
• Native Single-Chip Design: Reduces CPU load for improved system performance.
• Wide OS Compatibility: Supports Windows, Linux, and macOS operating systems.
• High Baud Rate: Supports data transfer rates up to 460.8 Kbps.
• Low Profile Bracket Included: Includes both standard and low-profile brackets for flexible installation.

Technical Specifications:

• Ports: 2 x RS232 (DB9)
• Interface: PCI Express x1
• Chipset ID: ASIX/MosChip – MCS9922CV-AA
• Serial Protocol: RS-232
• Max Baud Rate: 460.8 Kbps
• FIFO: 128 Bytes
• OS Compatibility: Windows DOS, 95, 98SE, 2000, CE 5.0/6.0, Embedded System 2009, POS Ready 2009, XP Embedded, XP, Vista, 7, 8, 8.1, 10, Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019, Linux Kernel 2.6.11 to 4.11.x, and MAC OS 10.4 and above
• Connector Type: 1 x PCI Express x1 Male, 2 x DB-9 (9 pin, D-Sub) Male

Warranty & Support:

This StarTech.com PEX2S553 Serial Adapter comes with a 2-year warranty and free lifetime technical support, ensuring your peace of mind. If you have any questions or issues, StarTech.com’s support channels are readily available to assist you.

How to Use:

1. Power down your computer and disconnect the power cable.
2. Open your computer case and locate an available PCI Express x1 slot.
3. Insert the PEX2S553 adapter card into the PCIe slot.
4. Secure the card with the case screw.
5. Close your computer case and reconnect the power cable.
6. Install the drivers from the included CD or download the latest drivers from the StarTech.com website.
7. Connect your serial devices to the DB9 ports.

Don’t let outdated technology hold you back. Add the StarTech.com PEX2S553 2 Port PCIe Serial Adapter Card to your system today and seamlessly connect your RS232 serial devices. Buy now and experience the convenience!