4 Port PCIe Serial Adapter Card 4 Port PCIe Serial Adapter Card

Startech Canada

Regular price

We have 17 in stock.
$136.58 Sale 4 Port PCIe Serial Adapter Card with 16550
Add 4 RS-232 serial ports to your standard or small form factor computer through a PCI Express Expansion Slot - 4 Port PCIe Serial Card - 4 Port RS232 Card - 4 Port Serial Adapter - 4 Port PCI Express Serial Card - PCI Express DB9 Serial Card - 16550 UART - Standard and low profile /half-height brackets included

General Information

Manufacturer Part Number:   PEX4S553
Manufacturer Website Address:
Brand Name:
Product Name:   4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
   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 Lifetime warranty and free lifetime technical support.
Packaged Quantity:   1
Product Type:   Serial Adapter

Technical Information

Host Interface:   PCI Express x1
Data Transfer Rate:   1 Mbit/s
UART Type:   16550
UART Type:   16C450
Platform Supported:   PC


Number of Serial Ports (External):   4

Physical Characteristics

Form Factor:   Plug-in Card
Card Height:   Dual-profile
Height:   0.70" (17.78 mm)
Width:   5.10" (129.54 mm)
Length:   4.70" (119.38 mm)
Weight (Approximate):   73.7 g


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
    Environmental Certification:   REACH
    Environmental Certification:   RoHS
    Environmental Certification:   WEEE


    Limited Warranty:   2 Year