🛍️ Product Name
StarTech MPEX4S552 Mini PCI Express Serial Adapter Card – 4x RS232 Ports, 16650 UART, 256-Byte FIFO, TAA Compliant
📦 Product Overview
The StarTech MPEX4S552 Mini PCIe Serial Adapter expands embedded or industrial systems with four RS232 ports using a single Mini PCI Express slot. Featuring a high-performance 16650 UART and deep FIFO buffers, it supports fast and reliable serial communication. Ideal for legacy device integration, automation systems, and custom builds requiring multiple serial interfaces.
🌟 Top Highlights
🔌 4 RS232 Serial Ports – Enables multi-device connectivity for embedded systems
⚙️ 16650 UART – Supports high-speed data transfer with advanced buffering
📦 256-Byte FIFO – Reduces CPU load during intensive communication
🧩 Mini PCI Express Interface – Compact form factor for tight spaces
✅ TAA Compliant – Suitable for government and regulated environments
📐 Technical Details
| Specification | Details |
|---|---|
| Model Number | MPEX4S552 |
| Interface | Mini PCI Express |
| Serial Ports | 4x RS232 (DB9 via IDC cables) |
| UART Type | 16650 |
| FIFO Buffer | 256 bytes per transmitter and receiver |
| Data Transfer Rate | Up to 921.6 Kbps |
| Flow Control | RTS/CTS (hardware), Xon/Xoff (software) |
| Compliance | PCI Express Base Spec 1.1, TAA |
| Operating System Support | Windows, Linux |
| Included Cables | 4x 30cm IDC to DB9 serial cables |
💡 Why You Should Buy It
✅ Adds four RS232 ports to compact systems
✅ High-speed UART with deep buffering for reliable performance
✅ Supports both hardware and software flow control
✅ TAA compliant for regulated deployments
🎯 Recommended Use Cases
➤ Industrial automation and control systems
➤ Legacy serial device integration
➤ Embedded PC expansion
➤ Government and compliance-sensitive environments
🤝 Customer Assurance
🛡️ Warranty / Guarantee: Coverage available through manufacturer support
🔄 Returns Policy: Returns accepted as per standard reseller terms and conditions
🚚 Shipping Info: Delivery handled by reliable logistics partners with tracking support
📞 Customer Support: Assistance available via official support channels and authorized resellers
👉 Call to Action
Expand your embedded system with StarTech’s reliable 4-port serial adapter — compact, compliant, and performance-ready.
Thanks for choosing
– YOUR TRUSTED IT PARTNER.
