Similar to the HDMI interface, the DP interface is another mainstream digital HD interface which also realized the function of simultaneously delivering both the audio and video signal. DP is the abbreviation of DisplayPort. Comparing to the first generation of HDMI interface who possessed 4.95 Gbps bandwidth, the first generation of DP interface has already reached the Bandwidth of 10.8 Gbps along with 2560*1600 12bit resolution output. When it refers to resolution and refresh rate, DP 1.4 now supports 8K@60Hz and 4K@120Hz HDR video form. In audio performance, it enables 32-channel 1536KHz high-fidelity sound output.