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StarTech 2 Port PCIe Serial Adapter Card with 16550 PEX2S553

StarTech 2 Port PCIe Serial Adapter Card with 16550 PEX2S553
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General Information

The PEX2S553 PCI Express serial card lets you turn a PCI Express slot into 2 RS232 (DB9) serial ports. Based on a native single chip design (no bridge chip), this 2-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), and reducing the load applied to the CPU by as much as 48% over conventional serial cards.

The RS232 Serial Adapter Card (PEX2S553) is compatible with a broad range of operating systems including Windows® and Linux Kernel 2.6.11 to 4.11.x, and MAC OS 10.4 and above.

Plus, the serial card includes an optional half-height/low profile bracket that allows the card to be installed in any PCI Express slot, regardless of the size of the computer case.

This product is a replacement for our PEX2S552 card.

Backed by a StarTech.com 2-year warranty and free lifetime technical support.

More from the Manufacturer

Technical Information
Host Interface:PCI Express x1
Data Transfer Rate:460.8kB/s
UART Type:16550
Platform Supported:PC
Platform Supported:Mac
Platform Supported:Linux

Interfaces/Ports
Number of Serial Ports (External):2

Physical Characteristics
Form Factor:Plug-in Card
Card Height:Half-height/Low-profile
Height:0.8"
Width:4.7"
Length:4.1"
Weight (Approximate):2.20 oz

Miscellaneous
Package Contents:
  • 2 Port PCIe Serial Adapter Card with 16550
  • Low Profile Brackets
  • Driver CD
  • Instruction Manual
Additional Information:
  • Native single-chip, single lane PCI Express chipset delivers true PCIe performance.
  • Standard and low profile/half-height bracket included to ensure fitment in any system.
  • Easy to install and use with full step-by-step instructions saving time and hassle.

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 X® 10.4 to 10.10
  • Linux kernel 2.6.x to 4.11.x LTS Versions only
Environmentally Friendly:Yes
Country of Origin:Taiwan

Warranty
Limited Warranty:2 Year

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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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: 065030841740 
  • Mfr's Part #: PEX2S553