StarTech.com 4 Port PCI Express Serial Card – Add Legacy Ports

Need to connect older serial devices to your modern computer? The StarTech.com 4 Port PCI Express Serial Card (PEX4S553B) is the perfect solution. This card lets you add four RS232 serial ports to your desktop through a single PCI Express slot. Ideal for connecting devices like printers, scanners, POS systems, and other serial peripherals, this card bridges the gap between legacy technology and modern computing.

Best Features:

• Four RS232 Serial Ports: Add four DB9 serial ports to your system for connecting a variety of legacy devices.
• PCI Express Interface: Uses a single PCI Express x1 slot for easy installation and compatibility with most modern motherboards.
• Native Single-Chip Design: Offers optimal reliability and speed, reducing CPU load by up to 48% compared to conventional bridge-chip serial cards.
• Full and Low-Profile Brackets Included: Comes with both standard and low-profile brackets for compatibility with various computer case sizes.
• Breakout Cable Included: Includes a 1-to-4 cable, enabling you to add 4 serial ports to a single low profile slot.
• Broad Operating System Compatibility: Compatible with Windows, Linux, and macOS.

Technical Specifications:

• Ports: 4 x DB9 RS-232 Serial
• Interface: PCI Express x1
• Chipset ID: ASIX/MosChip – MCS9904CV-AA
• Max Baud Rate: 230.4 Kbps
• FIFO: 256 Bytes
• Serial Protocol: RS-232
• 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, 11, Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019, Mac OS 10.4 to 10.10, Linux 3.5. x to 4.11. x LTS Versions Only
• Connector Type(s): 1 – PCI Express x1 Male, 4 – DB-9 (9 pin, D-Sub) Male
• Data Transfer Rate: Up to 250Kbps on each port
• Form Factor: Plug-in Card
• TAA Compliant: Yes

Warranty & Support:

• Warranty: StarTech.com Lifetime Warranty
• Support: Free lifetime technical support

The StarTech.com 4 Port PCI Express Serial Card is a reliable and efficient way to add serial ports to your computer. With its easy installation, broad compatibility, and lifetime warranty, it’s an excellent choice for anyone needing to connect legacy devices. Don’t let outdated technology hold you back – upgrade your system with the PEX4S553B today!