HDMI provides both high definition video and digital audio in a single cable. Please note that the Raspberry Pi only supports up to HDMI version 1.3a. You can use any version of HDMI cable and it will work, but if you buy a lower version (1.1, 1.2, 1.3), you may find you miss out on some audio and video quality, and if you buy a higher version (1.4) then you will end up paying for features the Raspberry Pi can’t support.
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