Perle UltraPort Express Serial Card is the ideal solution for applications where a fixed count of local serial ports is required. With 1 RS232 serial port, the Perle UltraPort Express range offers high performance, excellent throughput and reliable solutions for server platforms utilizing PCI Express bus slots. Versatile and reliable high-speed serial connectivity where fixed port counts are required. Perle UltraPort Express is the ideal solution for applications where a fixed count of local serial ports is required. Perle UltraPort Express offers high performance, excellent throughput and reliable solutions for server platform utilizing PCI Express Slots.