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StarTech 4-Port PCIe RS232 Serial Adapter Card - PEX4S953LP

VENDOR: STARTECH Mfg Part#: PEX4S953LP UPC#: 065030887052
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$108.11
$108.11
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MSRP: $115.99
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  • 4 RS-232 serial ports via PCI Express interface
  • Bi-directional data rates up to 921.6 Kbps per port
  • Advanced 16950 UART with 256-byte FIFO buffer
  • Selectable power output (5V/12V/None) on Pin 9, total up to 2A
  • Standard and low-profile brackets included for flexible installation
  • TAA compliant with lifetime warranty and support for Windows/Linux

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Key Benefits

Eye-Insights
  • Provides robust RS-232 support for legacy device integration via PCI Express
  • Offers flexible deployment with both standard and low-profile brackets plus breakout cable
  • Ideal for industrial and commercial environments requiring multi-port serial connectivity

Product Overview

4 port PCI Express RS232 serial controller card w/16950 UART/ASIX AX99100 - Bi-directional speeds 921.6Kbps/port / 256 byte FIFO / 9th data bit - Pin 9 pwr out 5v/12v/none w/up to 2A total - Std bracket (low profile incl); Breakout cable - Win/Linux

Specifications

Product Overview
Product Type PCI Express Serial Adapter Card
Form Factor Plug-In Card
Chipset ASIX AX99100
UART 16950 UART
FIFO Buffer Size 256 byte per port
Bracket Type Standard profile (low-profile bracket included)
Power Output Options (Pin 9) 5V, 12V or none (up to 2A total)
Max Baud Rate Per Port 921.6 Kbps
Ports Included 4 x DB9 RS-232 (via breakout cable)
Operating System Support Windows, Linux

Wireless Features

Compliance & Origin
TAA Compliant Yes
Country of Origin Taiwan
Certifications CE, FCC, RoHS
Warranty Lifetime Warranty

Advanced Security Features

Interfaces
Interface Type PCI Express 1.0a x1
Port Count 4
Connector Type DB9 (via breakout cable)
Data Transfer Rate Up to 921.6 Kbps per port
Serial Port Standard RS-232
Data Bits 5, 6, 7, 8, 9
Stop Bits 1, 1.5, 2
Parity None, Odd, Even, Mark, Space
Flow Control None, Xon/Xoff, RTS/CTS

Physical & Environmental
Bracket Height Standard and Low Profile
Product Height 18 mm (0.7 in)
Product Length 120 mm (4.7 in)
Product Width 90 mm (3.5 in)
Product Weight 82 g (2.9 oz)
Operating Temperature 0°C to 50°C (32°F to 122°F)
Storage Temperature -20°C to 70°C (-4°F to 158°F)
Humidity (Operating) 5% - 95% RH (Non-Condensing)

Cloud Management & Licensing