PH19B+ 90-Degree USB 3.0 Motherboard Adapter Overview The PH19B+ is a 90-degree USB 3.0 motherboard adapter designed for 19/20-pin internal USB 3.0 headers. Its right-angle configuration provides an alternative connection orientation for compatible motherboard installations. PH19B+ 19/20-Pin USB 3.0 Header Connection Designed for internal USB 3.0 motherboard headers, the PH19B+ adapter provides a 19/20-pin connection interface for compatible hardware configurations. Please