StarTech RS232 4-Port PCI Express Serial Card w/ Breakout Cable

General Information 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. Technical Information Host Interface: PCI Express x1 Maximum Data Transfer Rate: 1.95 Mbit/s Platform Supported: Linux Platform Supported: Mac Platform Supported: PC Interfaces/Ports Ports Expandability: 4 x DB-9 RS-232 – Serial, Via Cable Physical Characteristics Form Factor: Plug-in Card Miscellaneous Package Contents: 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 System Requirements: 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 Environmentally Friendly: Yes Environmental Certification: WEEE Environmental Certification: REACH Environmental Certification: RoHS TAA Compliant: Yes Warranty Limited Warranty: Lifetime Product images may differ from actual product appearance.