StarTech.com 4 Port PCI Express Serial Card w/ Breakout Cable - Add 4 RS232 serial ports to any PC using a single PCI Express ex

The PEX4S553B 4-Port PCI Express Serial Card (with breakout cable) lets you add 4 RS232 serial ports using a single PCIe expansion slot, with an included 1-to-4 cable enabling you to add 4 serial ports to a single low profile slot.

The serial card features a native single-chip design that provides optimum reliability and speed, reducing the CPU load by up to 48% over conventional bridge-chip serial cards - a cost-effective solution for connecting legacy serial devices to PCIe-enabled computers.

The multi-port serial adapter includes both full profile and low profile/half-height brackets for compatibility with standard and small form factor computers, and is compatible with a broad range of operating systems, including Windows®, Linux, and MAC OS.

This product is a replacement for our PEX4S552B card.

Backed by a StarTech.com lifetime warranty and free lifetime technical support.

Product Type:Multiport Serial Adapter

• PC
• Mac
• Linux

• 4 Port RS232 PCI Express Serial Card w/ Breakout Cable
• 1 x DB9 Breakout Cable
• 1 x Full Profile Bracket
• 1 x Driver CD
• 1 x Instruction Manual

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
• Mac OS® 10.4 to 10.10
• Linux 3.5.x to 4.11.x LTS Versions Only