PCs with 9-Pin RS232 Serial Ports – Ideal for Legacy & Industrial Applications

Looking for a PC with a built-in 9-pin RS232 serial port? Our selection of refurbished and custom-built computers is designed for users who require reliable legacy connectivity for industrial, scientific, and commercial applications. Unlike modern systems that rely solely on USB and wireless interfaces, these PCs ensure seamless compatibility with older hardware and critical equipment that still depends on RS232 communication.

Why Choose a PC with an RS232 Serial Port?

The 9-pin RS232 port (also known as COM Port) has been a standard for decades and remains essential for a variety of specialized uses, including:

✔ Industrial Automation – Connect to PLC systems, CNC machines, and industrial controllers.
✔ Point-of-Sale (POS) Systems – Interface with cash registers, barcode scanners, and receipt printers.
✔ Networking & Telecommunications – Program and manage routers, switches, and legacy network hardware.
✔ Scientific & Medical Equipment – Communicate with laboratory devices, oscilloscopes, and diagnostic tools.
✔ Embedded Systems & Robotics – Control and debug microcontrollers, embedded devices, and robotics platforms.
✔ Retro Computing & Legacy Software – Run older peripherals, serial-based applications, and vintage computing projects.

Choose Your Preferred Operating System

We offer these PCs pre-installed with a range of operating systems to match your software and compatibility needs:

🖥 Windows XP SP3 (32-bit) – Ideal for legacy software and hardware that require full compatibility with older applications.
🖥 Windows 7 Pro (32-bit & 64-bit) – A balance between legacy support and modern functionality, often required for industrial and business applications.
🖥 Windows 10 Pro – A secure and widely supported OS, perfect for users needing both legacy and modern software support.
🖥 Windows 11 Pro – The latest in Windows technology, best for users who need longevity and security while still supporting legacy serial communication.

Reliable, Tested, and Ready to Use

Every PC in this category is fully tested and refurbished, ensuring stability, reliability, and excellent performance. Whether you're an engineer, technician, or retro computing enthusiast, these machines provide the essential RS232 connectivity you need without requiring external adapters or workarounds.

✅ Pre-configured for easy setup
✅ Custom upgrade options available
✅ Expert support and after-sales service

Find the perfect RS232-ready PC for your needs today!