Microchip launches first PCI Express 5.0 switches Microchip Technology has announced the worldâs first PCI Express (PCIe) 5.0 switch solutions, the Switchtec PFX PCIe 5.0 family, doubling the interconnect performance for dense compute, high speed networking and NVM Express (NVMe) storage. The solution looks to address applications such as data analytics, autonomous-driving and medical diagnostics that are currently driving extraordinary levels of demand for machine learning and hyperscale compute infrastructure. Together with its XpressConnect retimers, Microchip claims to be the industryâs only supplier of both PCIe Gen 5 switches and PCIe Gen 5 retimer products, delivering a complete portfolio of PCIe Gen 5 infrastructure solutions with proven interoperability.