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StarTech 4 Port PCIe Serial Adapter Card with 16550 PEX4S553

StarTech 4 Port PCIe Serial Adapter Card with 16550 PEX4S553
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For School/Academic or Government pricing, call 440.355.8008


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General Information

The PEX4S553 4-Port Native PCI Express RS232 Serial Adapter Card with 16550 UART lets you add 4 RS232 (DB9) serial ports, using a single PCI Express expansion slot.

Based on a native single-chip design, this 4-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge-chip serial cards.

The RS232 Serial Adapter Card includes 4 half-height/low-profile brackets, allowing the card to be installed into almost any PC case, regardless of form factor.

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

More from the Manufacturer

Technical Information
Host Interface:PCI Express x1
Data Transfer Rate:128kB/s
UART Type:16550
UART Type:16C450
Platform Supported:PC

Interfaces/Ports
Number of Serial Ports (External):4

Physical Characteristics
Form Factor:Plug-in Card
Card Height:Dual-profile
Height:0.7"
Width:5.1"
Length:4.7"
Weight (Approximate):2.60 oz

Miscellaneous
Package Contents:
  • 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
  • 1 x Full Profile Bracket With Two DB9 Connectors
  • 4 x Low Profile Bracket
  • 1 x Driver CD
  • 1 x Instruction Manual
Additional Information:
  • Windows® 10 (32/64), 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64)
  • Windows Server® 2012, 2008 R2, 2003
  • Mac OS® 10.10
  • Linux
    • Environmentally Friendly:Yes
    Country of Origin:China

    Warranty
    Limited Warranty:Lifetime

    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: 065030843553 
    • Mfr's Part #: PEX4S553