What types of HDMI connectors are there?
The three types of HDMI connecters are type A, B, and C. The standard Type-A HDMI connector has 19 pins, with bandwidth support for all SDTV, EDTV and HDTV modes. It is electrically compatible with single-link DVI-D. Type-B has 29 pins, allowing it to carry an expanded video channel for use with very high-resolution future displays. It is electrically compatible with dual-link DVI-D, but is not in general use. Type-C mini connector has 19 pins and is intended for connectivity with small portable devices such as digital cameras.