The Flexibilis Redundant Card (FRC) is a versatile PCIe Network Interface Card that simplifies the implementation of high-availability Ethernet standards for redundancy. Supporting HSR and PRP, the FRC card integrates seamlessly into existing networks, delivering non-stop communication and highly accurate time synchronization via the IEEE 1588 PTP standard. Tailored for critical applications, its design facilitates straightforward deployment in demanding environments, bolstered by feature-integrated management interfaces and robust communication capabilities.