Full NDI. No compromises. In the world of NDI® there are two flavours, NDI® and NDI|HX. NDI® is a variable bit rate, I-Frame codec that reaches around 140Mbits at 1080p60 and is visually lossless. NDI|HX is a compressed, long-GOP, H.264 variant that reaches around 12Mbits at 1080p60. P4K & P400 are Full NDI® cameras.