StarTech 2 Port RS232 PCI Express Serial Card w/ Breakout Cable
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General Information

Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot. The PEX2S553B 2-Port PCI Express Serial Card w/ Breakout Cable lets you add two RS232 serial ports using a single PCIe expansion slot. With the included break-out cable, you can easily add two ports to a single low profile slot.

The PCIe 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 multiport PCIe Serial Adapter includes both full 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 7/Server 2008 R2, 2003/Vista/XP (32 and 64 bit), Linux Kernel 2.6.11 and up, as well as MAC OS 10.5 and above.

This product is a replacement for our PEX2S552B card.

Backed by a lifetime warranty and free lifetime technical support.

Technical Information
Host Interface:PCI Express
Data Transfer Rate:Up to 1.95 Mbit/s
Platform Supported:PC

Ports Expandability:2 x 9-pin DB-9 Male RS-232 - Serial

Physical Characteristics
Dimensions:3.1" Length x 3.1" Width x 0.9" Height
Thickness:905.5 mil
Weight (Approximate):1.41 oz

Package Contents:
  • 2 Port RS232 PCI Express Serial Card w/ Breakout Cable
  • 1 x DB9 Breakout Cable
  • 1 x Full Profle Bracket
  • 1 x Driver Installation CD
  • 1 x Instruction Manual
Environmentally Friendly:Yes
Environmental Certification:RoHS

Limited Warranty:Lifetime

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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

  • UPC: 065030842549 
  • Mfr's Part #: PEX2S553B