The Switchtec PM8561 PFX-L Fanout-Lite PCIe Gen 3 fanout switch is a high reliability PCIe Base Specification 3.1-compliant switch supporting 24 lanes, 3 virtual switch partitions, 6 Non-Transparent Bridges (NTBs), hot- and surprise-plug controllers for each port, advanced error containment, and comprehensive diagnostics and debug capabilities.