StarTech.com 4 Port PCI Express Serial Card w/ Breakout Cable - PCI Express x1 - 4 x DB-9 Male RS-232 Serial Via Cable - Plug-in Card (PEX4S553B)

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.

• 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

• RoHS
• REACH
• WEEE