StarTech.com PEX1S553LP Native RS232 PCI Express Serial Adapter Card, 1-Port Low Profile, 460kB/s Transfer Rate, 16550 UART, Windows/Linux/Mac Compatible, TAA Compliant - PEX1S553LP (2 Year Warranty)

Top view of StarTech PEX1S553LP PCIe serial card showing green circuit board with RS232 port and components-alternate-image1
Close-up angled view of PEX1S553LP PCIe card showing detailed circuit board layout and components-alternate-image2
Close-up view of DB9 serial port connector on PEX1S553LP card bracket-alternate-image3
Detailed view of PEX1S553LP card showing power management components and Made in Taiwan marking-alternate-image4

StarTech.com PEX1S553LP Native RS232 PCI Express Serial Adapter Card, 1-Port Low Profile, 460kB/s Transfer Rate, 16550 UART, Windows/Linux/Mac Compatible, TAA Compliant - PEX1S553LP (2 Year Warranty)

StarTech.com PEX1S553LP

$60.85
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  • 2 Year Warranty
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Product Key Features

  • 🔌 Native single-chip PCI Express design reduces CPU load by 48%
  • 💨 Fast data transfer rate of 460kB/s with 16550 UART
  • 🖥️ Compatible with Windows 10/8/7, Linux, and Mac OS
  • 📊 Includes both low-profile and full-profile brackets
  • 🛡️ Features RS232 DB9 serial connection
  • 💻 Easy installation with included driver CD and manual
  • ✅ TAA Compliant and environmentally certified (RoHS, WEEE, REACH)
  • ⚡ PCI Express x1 interface for optimal performance
  • ⭐ Backed by 2-year warranty and lifetime support
  • 📏 Compact size: 4.1" length, 3.1" width, 0.8" height
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StarTech.com PEX1S553LP Native RS232 PCI Express Serial Adapter Card, 1-Port Low Profile, 460kB/s Transfer Rate, 16550 UART, Windows/Linux/Mac Compatible, TAA Compliant - PEX1S553LP (2 Year Warranty)

This item: StarTech.com PEX1S553LP Native RS232 PCI Express Serial A...

$60.85

Total price: $60.85
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StarTech.com

PEX1S553LP

StarTech.com PEX1S553LP Native RS232 PCI Express Serial Card

Transform your PCI Express slot into a powerful RS232 serial connection with the StarTech.com PEX1S553LP. This native single-chip PCIe serial card delivers superior performance with 48% reduced CPU load compared to conventional bridge chip cards, supporting data transfer rates up to 460kB/s.

Advanced Native Single-Chip Architecture

The PEX1S553LP features a native single-chip, single lane PCI Express design that maximizes system performance while minimizing CPU utilization. With its integrated 16550 UART controller, this card ensures reliable serial communications for legacy devices and industrial equipment.

Versatile Compatibility and Installation

  • Compatible with Windows® 10/8.1/7/Vista/XP (32/64-bit)
  • Supports Windows Server® 2012, 2008 R2, 2003
  • Mac OS® 10.4 and later (tested up to 10.10)
  • Linux kernel 2.6.x compatibility
  • Includes both low-profile and full-height brackets
  • Compact dimensions: 4.1" length x 3.1" width x 0.8" height

Package Contents

  • 1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART
  • Full Profile Bracket
  • Driver CD
  • Instruction Manual

Professional-Grade Features

  • TAA Compliant for government procurement
  • Environmentally certified: RoHS, WEEE, REACH
  • 2-year warranty with lifetime technical support
  • Maximum data transfer rate of 460kB/s
  • Ideal for industrial equipment, legacy devices, and serial peripherals
Top view of StarTech PEX1S553LP PCIe serial card showing green circuit board with RS232 port and components

Native Single-Chip Design for Enhanced Performance

The PCI Express serial card features an advanced single-chip architecture that maximizes data throughput while minimizing system resource usage. The green PCB board showcases the card's streamlined design, with carefully placed components that optimize signal integrity and reliability. This engineering approach delivers superior RS232 connectivity with reduced CPU overhead.

Technical Specifications

  • Single-chip native PCIe architecture for 48% lower CPU utilization
  • 16550 UART controller for reliable data transfer up to 460kB/s
  • Low-profile form factor with full-height bracket included

Applications

  • Industrial automation systems requiring reliable serial communication
  • Legacy equipment integration in modern IT infrastructure
  • Point-of-sale systems with RS232 peripheral requirements
Close-up angled view of PEX1S553LP PCIe card showing detailed circuit board layout and components

High-Quality Circuit Design for Maximum Reliability

The detailed circuit board layout reveals the card's professional-grade engineering, featuring premium components and precise trace routing. Each element is strategically positioned to ensure optimal signal integrity and electromagnetic compatibility. The board's design demonstrates StarTech's commitment to manufacturing excellence.

Technical Specifications

  • RoHS compliant components for environmental safety
  • Gold-plated PCIe connector for superior conductivity
  • High-grade capacitors for enhanced signal stability

Applications

  • Manufacturing equipment control systems
  • Scientific measurement devices
  • Medical equipment interfaces
Close-up view of DB9 serial port connector on PEX1S553LP card bracket

Industry-Standard DB9 Serial Port Interface

The RS232 DB9 connector provides robust and secure connectivity for serial devices. The metal bracket construction ensures durability and proper grounding, while the precision-machined port guarantees consistent connection quality across thousands of insertion cycles.

Technical Specifications

  • Standard DB9 male connector configuration
  • Secure mounting with dual screw points
  • Metal shield for EMI protection

Applications

  • Serial terminal connections
  • Industrial control systems
  • Legacy device integration
Detailed view of PEX1S553LP card showing power management components and Made in Taiwan marking

Integrated Power Management and Protection

The card's power management section features protective circuitry and voltage regulation components, ensuring stable operation across various system loads. The Taiwan-made quality assurance is evident in the precise component placement and clean manufacturing execution.

Technical Specifications

  • Built-in surge protection circuits
  • Regulated power delivery system
  • CE/FCC certified design

Applications

  • Mission-critical industrial applications
  • 24/7 operation environments
  • Sensitive equipment interfaces
Return Policy Time to Return
Standard Return Policy We offer a hassle-free 30-day returns policy for domestic (US) orders, excluding non-refundable items. Refund or Replacement within 30 days of the delivery date. All products that fall under the Standard Return Policy qualify for our 30-Day Hassle-Free Returns.
Replacement Only Return Policy Replacement within 30 days of the delivery date.
Manufacturer Only Return Policy Covered by the manufacturer's warranty. Please refer to the terms and conditions for the manufacturer's warranty or contact the manufacturer.
FAQ
The PEX1S553LP is a PCI Express Serial Card that converts a PCI Express slot into an RS232 (DB9) serial connection. It features a native single chip design that reduces CPU load by up to 48% compared to conventional bridge chip serial cards, offering data transfer rates up to 460kB/s with a 16550 UART interface.
The card is compatible with a wide range of operating systems including Windows 10 (32/64-bit), 8/8.1, 7, Vista, XP, Windows Server 2012, 2008 R2, 2003, Mac OS 10.4 and later (tested up to 10.10), and Linux kernel 2.6.x. It also supports Windows XP Embedded, POS Ready 2009, Embedded System 2009, CE 5.0/6.0, 2000, 98SE, 95, and DOS.
The PEX1S553LP is a low-profile plug-in card measuring 0.8" in height, 3.1" in width, and 4.1" in length, weighing approximately 1.60 oz. It comes with both low-profile/half-height bracket installed and includes an optional full-profile bracket for versatile installation in different PC case form factors.
The package includes the 1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART, a full profile bracket for standard cases, a driver CD containing necessary software, and a comprehensive instruction manual for installation and setup.
StarTech.com provides a 2-year limited warranty for the PEX1S553LP serial card. The product also comes with free lifetime technical support from StarTech.com to assist with any installation or operation questions.
The PEX1S553LP features a native single-chip, single lane PCI Express design that reduces CPU load by 48% compared to conventional cards. It supports data transfer rates up to 460kB/s and includes a 16550 UART interface for reliable serial communication. The card's efficient design ensures optimal performance while minimizing system resource usage.
Yes, the PEX1S553LP is environmentally certified and compliant with multiple standards including RoHS, WEEE, and REACH. It's designed to be environmentally friendly and meets international environmental regulations for electronic components.
The PEX1S553LP is designed for easy installation with full step-by-step instructions included. It comes pre-configured for low profile/half-height systems and includes a full profile bracket for versatility. The included driver CD and instruction manual provide comprehensive guidance for setup, saving time and reducing installation hassle.

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