The Switchtec Gen 4 automotive-qualified PM43028 PFX Fanout PCIe switch is a high-reliability, high-performance scalable solution that provides cutting-edge compute interconnect capabilities for Advanced Driver-Assistance Systems (ADAS) with significant power savings., The PM43028 switch supports 28 lanes, 16 ports, and hot- and surprise-plug controllers for each port. PFX switches feature advanced error containment, comprehensive diagnostics and debug capabilities, end-to-end data integrity protection, high-quality, low-power SERDES and secure boot image authentication.