HDMI 2.1 features require correspondingly equipped, modern HDMI interfaces for televisions, AV receivers and other devices. With the HDMI cables, however, HDMI 2.1 has not changed anything in the internal wiring compared to the previous structure (the High Speed with Ethernet cable). The new thing about HDMI 2.1: The existing lines in the cables are simply used differently by the devices. With HDMI 2.1, one line can transmit more video signals than before. This means that the HDMI cable can also cope with higher requirements such as 8K transmission. This means that existing, high-quality high-speed HDMI cables can now and later fully satisfy the new HDMI 2.1 standard.