
StarTech.com 4-Port PCIe RS232 Serial Card 921.6Kbps TAA PEX4S953LP
The StarTech.com PEX4S953LP 4-Port PCIe RS232 Serial Card enables modern business systems to reliably interface with up to four legacy serial peripherals at speeds of 921.6Kbps, extending the utility of essential equipment.
- Quad-Port Connectivity: Provides four RS232 (DB9) serial ports, allowing businesses to integrate multiple essential legacy devices without system upgrades.
- High-Speed Data Transfer: Supports baud rates up to 921.6Kbps, ensuring rapid and efficient communication with connected peripherals like POS systems and card readers.
- Broad OS Compatibility: Engineered for Windows and Linux operating systems, including Windows Server, ensuring frictionless integration into diverse IT environments.
- TAA Compliant: Meets Trade Agreements Act requirements, making it suitable for government and public sector procurement and reducing compliance hurdles.
Product Overview
Product Overview
The StarTech.com PEX4S953LP is a 4-port PCIe RS232 serial card designed to integrate legacy serial devices into modern computer systems, featuring an Asix AX99100 chipset and supporting data rates up to 921.6Kbps. This internal expansion card provides essential connectivity for peripherals that rely on DB9 serial communication.
Engineered for maximum compatibility, this card offers extensive operating system support, including Windows 10, Windows 7, Windows 8.1, and various Windows Server versions, alongside Linux, ensuring broad deployment flexibility and long-term operational value. Its robust design and TAA compliance make it a reliable choice for diverse business applications.
- Core Functionality: Adds four high-speed RS232 serial ports to a PCIe-enabled computer, allowing businesses to maintain critical operations with existing serial-based equipment.
- Reliable Data Flow: Features a 256 B FIFO buffer, which prevents data loss during high-volume serial communications, ensuring accuracy for transactional systems.
- Versatile Device Support: Compatible with a wide range of serial peripherals, including card readers, printers, PIN pads, and modems, extending the lifespan of essential hardware.
- Operational Resilience: Boasts a Mean Time Between Failures (MTBF) of 214,358 hours, providing exceptional reliability and minimizing unexpected downtime for mission-critical applications.
- Operational Value: Provides a cost-effective solution for integrating legacy hardware, preserving existing investments and reducing the total cost of ownership for specialized systems.
This serial card is an indispensable solution for businesses seeking to extend the utility of their legacy serial devices within modern IT infrastructures.
Technical Specifications
1Performance & Business Impact
2Connectivity & I/O
3Physical & Environmental
4Lifecycle, Warranty & Compliance
Full Specifications
Ports & interfaces3
Features7
Weight & dimensions4
Design4
Operational conditions1
System requirements1
Technical details1
Packaging data1
Logistics data1
What This Solves
Connecting Legacy Peripherals
Many businesses still rely on specialized serial-based peripherals such as card readers, printers, and modems for daily operations. This card provides four high-speed RS232 ports, allowing these essential devices to connect to modern PCIe-enabled workstations or servers, ensuring continued functionality.
Retail point-of-sale environments, financial service branches, healthcare clinics
Industrial Automation & Control
Industrial and manufacturing environments frequently use equipment that communicates via RS232 serial interfaces for monitoring and control. The StarTech.com PEX4S953LP enables reliable data exchange between modern control systems and legacy machinery, supporting critical operational technology (OT) infrastructure.
Manufacturing plants, logistics warehouses, industrial control rooms, facilities management
Government & Public Sector Compliance
Government agencies and contractors often require products that comply with the Trade Agreements Act (TAA) for procurement. This TAA-compliant serial card ensures that organizations can meet federal purchasing mandates while integrating necessary serial devices into their secure IT environments.
Federal agencies, state and local government offices, public safety departments, educational institutions
Key Features
4-Port RS232 (DB9) Connectivity
Provides ample ports for integrating multiple legacy serial devices, streamlining hardware consolidation and reducing the need for multiple adapter cards.
921.6Kbps Baud Rate
Ensures high-speed and efficient data transfer for connected peripherals, minimizing latency in critical transactional or data acquisition applications.
256 B FIFO Buffer
Prevents data loss during peak communication loads, maintaining data integrity and reliability for sensitive business operations.
Asix AX99100 Chipset
Delivers proven, stable performance and broad compatibility across various operating systems, ensuring consistent and dependable serial communication.
TAA Compliance
Facilitates procurement for government and public sector organizations, ensuring adherence to federal purchasing regulations.
Industry Applications
Retail & Hospitality
Enables integration of essential point-of-sale (POS) systems, barcode scanners, and receipt printers with modern back-office computers.
Manufacturing & Industrial
Connects to industrial control systems, CNC machines, and specialized sensors for data acquisition and process automation.
Government & Public Sector
Provides TAA-compliant connectivity for legacy systems and peripherals, meeting federal procurement requirements for secure operations.
Healthcare & Life Sciences
Supports integration with older diagnostic equipment, lab instruments, and patient monitoring devices that rely on serial communication.
Frequently Asked Questions
What types of legacy devices can connect to this serial card?
This serial card supports a wide range of RS232 (DB9) devices, including point-of-sale (POS) terminals, barcode scanners, receipt printers, modems, and various industrial control equipment. It ensures compatibility for essential business peripherals.
Is this serial card compatible with Windows Server operating systems?
Yes, the StarTech.com PEX4S953LP offers extensive compatibility with Windows Server operating systems, including Windows Server 2003, 2008 R2, 2012, 2012 R2, and 2016, ensuring seamless integration into server environments.
What is the benefit of the 256 B FIFO buffer?
The 256 B FIFO (First In, First Out) buffer helps manage data flow efficiently, especially during high-speed or burst communications. This reduces the risk of data loss and ensures reliable transmission for critical applications.
Does this card require special drivers for installation?
Yes, this PCIe serial card typically requires specific drivers for full functionality, which are provided by StarTech.com and are compatible with supported Windows and Linux operating systems. A quick installation guide is included to assist with setup.
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.