18Gbps data throughput 26AWG copper conductors. Gold plated connectors. Supports HDR and HDR10: HDR is an acronym for High Dynamic Range. TVs with HDR show a better, more realistic image with more contrast, brightness, and colors than ever before. HDR significantly expands contrast ratio and color accuracy. Contrast ratio is related to how bright or dark a screen is and color accuracy is how closely the colors on the screen match colors in real life. Bright images seem brighter, with more depth. Full YCbCr 4:4:4 Chroma Sampling at 4K.