Quote in under 60 seconds
AI-verified compatibility
Live inventory across 200+ brands
FedRAMP · HIPAA · FERPA
AI-assembled cross-tower solutions
StarTech.com 1-Port RS232 Serial PCIe Card TAA 921.4Kbps PEX1S953LP
StarTech.com·MPN: PEX1S953LP

StarTech.com 1-Port RS232 Serial PCIe Card TAA 921.4Kbps PEX1S953LP

The StarTech.com PEX1S953LP 1-Port RS232 Serial PCIe Card provides essential legacy connectivity, enabling modern systems to interface with critical serial devices at speeds up to 921.4Kbps.

  • TAA Compliance: Meets U.S. Government procurement requirements, simplifying acquisition for federal agencies and contractors.
  • High-Speed Serial: Delivers data transfer rates up to 921.4Kbps, ensuring rapid and efficient communication with connected peripherals.
  • Broad OS Support: Compatible with Windows and Linux operating systems, enabling frictionless integration into diverse IT environments.
  • PCIe Interface: Utilizes a PCI Express slot, providing a modern and high-bandwidth connection for reliable serial device operation.
$45.05
In Stock
Secure Checkout
Fast Fulfillment
Manufacturer Warranty Included

Product Overview

The StarTech.com PEX1S953LP is a purpose-built 1-Port RS232 Serial PCIe Card, designed to add a single DB9 serial port to any computer equipped with a PCI Express slot. It supports high-speed data transfer up to 921.4Kbps, making it suitable for a wide range of serial peripherals.

Engineered with an Asix AX99100 chipset and a 256B FIFO buffer, this card ensures reliable and efficient data handling. Its TAA compliance and broad operating system support, including Windows and Linux, make it an ideal choice for organizations with strict procurement standards and mixed IT environments.

  • Essential Connectivity: Adds a single RS232 DB9 serial port to modern PCI Express systems, preserving investment in critical legacy peripherals.
  • TAA Compliant: Ensures procurement adherence for government and public sector organizations, streamlining purchasing processes.
  • High Baud Rate: Supports data speeds up to 921.4Kbps, facilitating quick and efficient communication with high-demand serial devices.
  • Wide OS Compatibility: Engineered for broad support across Windows and Linux environments, reducing integration challenges in mixed IT infrastructures.
  • Operational Value: Features a robust Asix AX99100 chipset and 256B FIFO, delivering stable and efficient serial data handling for continuous operations.

This serial PCIe card is the reliable choice for businesses seeking to maintain essential legacy device connectivity within modern IT infrastructures.

Technical Specifications

1Performance & Business Impact
Baud Rate921.4 Kbit/s
FIFO Buffer256 B
ChipsetAsix AX99100
Mean Time Between Failures (MTBF)277,385 hours
Flow Control SupportYes (No, RTS/CTS, XON/XOFF)
2Connectivity & I/O
Host InterfacePCIe
Output InterfaceSerial
Serial Ports Quantity1
Serial Interface TypeRS-232
Peripheral Power Connectors1 (4-pin Molex)
3Physical & Environmental
Width67 mm / 2.64 inches
Depth98 mm / 3.86 inches
Height150 mm / 5.91 inches
Weight44 g / 0.1 lbs
Product ColorGreen
Operating Temperature0 - 70 °C (32 - 158 °F)
Operating Humidity20 - 80% RH
4Lifecycle, Warranty & Compliance
Sustainability ComplianceYes
Compliance CertificatesCE, RoHS
Mounting Brackets IncludedYes
ManualYes

Full Specifications

Manufacturer Data
Ports & interfaces6
Host interfacePCIe
Output interfaceSerial
Expansion card standardPCIe 1.1
Serial ports quantity1
Serial interface typeRS-232
Peripheral (Molex) power connectors (4-pin)1
Features8
ChipsetAsix AX99100
Baud rate921.4 Kbit/s
FIFO (First In, First Out)256 B
Data bits5, 6, 7, 8, 9
Stop bits1, 1.5, 2
Flow control supportYes
Parity bitEven, Mark, No, Odd, Space
Flow Control typeNo, RTS/CTS, XON/XOFF
Weight & dimensions4
Width67 mm
Depth98 mm
Height150 mm
Weight44 g
Design3
InternalYes
Product colourGreen
Mean time between failures (MTBF)277385 h
Operational conditions1
Operating temperature (T-T)0 - 70 °C
System requirements1
Windows operating systems supportedWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
Technical details1
Sustainability complianceYes
Packaging data1
Quantity1
Logistics data1
Harmonized System (HS) code84733020
Downloads2
User Manual484 KB
Download
Product Datasheet
Download

What This Solves

Modernizing Legacy System Connectivity

Many businesses operate with mission-critical equipment that relies on RS232 serial communication, such as older POS terminals or industrial machinery. This card allows these essential devices to connect to new, high-performance desktop PCs and servers, extending their operational lifespan.

Retail operations, manufacturing plants, healthcare clinics, logistics warehouses

Ensuring TAA Compliance for Procurement

Government agencies and contractors often have strict procurement requirements, including the Trade Agreements Act (TAA). Deploying this TAA-compliant serial card ensures that IT infrastructure meets federal purchasing standards, simplifying compliance audits.

Federal agencies, state government offices, defense contractors, public sector organizations

Seamless IT Hardware Refresh

When upgrading computer hardware, organizations need to ensure that existing serial-dependent applications and devices remain functional. This PCIe card provides a cost-effective solution to integrate serial ports into new systems, avoiding costly reconfigurations or equipment replacements.

SMBs with specialized equipment, mid-market IT departments, educational institutions, financial services firms

Key Features

1-Port RS232 Serial Interface

Adds a single DB9 serial port, enabling continued use of essential legacy peripherals without system overhaul.

921.4 Kbps Baud Rate

Supports high-speed data transfer, optimizing performance and responsiveness for connected serial devices.

PCI Express 1.1 Host Interface

Provides a stable and high-bandwidth connection, ensuring reliable communication within modern computer systems.

256 B FIFO (First In, First Out) Buffer

Manages data efficiently, reducing CPU overhead and improving system responsiveness during serial operations.

TAA Compliant

Meets U.S. federal procurement requirements, simplifying purchasing for government and public sector organizations.

Industry Applications

Government & Public Sector

TAA compliance makes this card suitable for federal, state, and local government agencies requiring adherence to specific procurement regulations.

Manufacturing & Industrial

Enables modern PCs to interface with legacy industrial control systems, PLCs, and specialized machinery that rely on RS232 serial communication.

Retail & Hospitality

Supports connectivity for essential point-of-sale (POS) systems, barcode scanners, and receipt printers that often utilize RS232 interfaces.

Healthcare & Life Sciences

Facilitates the integration of older medical diagnostic equipment, lab instruments, and patient monitoring devices with updated computer systems.

Frequently Asked Questions

What types of devices can I connect using this serial card?

This serial card allows you to connect a wide range of RS232 serial devices, including POS terminals, industrial control equipment, modems, barcode scanners, receipt printers, and medical diagnostic tools.

Is this card compatible with both Windows and Linux operating systems?

Yes, the StarTech.com PEX1S953LP offers broad operating system support, including various versions of Windows (from Windows 7 to Windows 11 and Windows Server) and Linux distributions, ensuring versatile integration.

What is the maximum data transfer speed supported by this card?

This serial PCIe card supports a maximum baud rate of 921.4 Kbit/s, enabling fast and efficient data communication with connected serial peripherals.

Does this serial card require any special power connections?

Yes, the card includes one 4-pin Peripheral (Molex) power connector, which may be required for stable operation, especially with certain system configurations or power demands.

Warranty & Returns

Manufacturer Warranty

Lifetime

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

$45.05