4-port USB 3.2 Gen 2x1 hub board, 4x USB-C, 15-kV over-voltage protection The EX-12294HMS-PL USB 3.2 Gen 2x1 hub board is a fully functional industrial USB 3.2 hub with four USB-C downstream ports for integration into user-specific devices, assemblies or enclosures. It is ideal for embedded systems, kiosks, industrial automation and other special applications that require multiple USB ports.