“In manual it seems all 4 hdmi ports can support 4K. On the back of the tv only hdmi ports 3 and 4 are labeled as 4K 120hz. Does this mean ports 1 and 2 do not support 4K?”
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Hi HDMI4Ksupport, Thank you for the inquiry! Yes, there are two HDMI ports that support the features that are specified in the HDMI 2.1 standard (4K120/eARC/VRR/ALLM) for our BRAVIA A90K and these are HDMI IN 3 and 4 ports. The HDMI 1 and 2 supports 4K 24p/30p/60p signal. (Enhanced format - 18Gbps) NOTE: Some HDMI devices that output the 4K Enhanced format (18Gbps or above) signal require that you use a 48Gbps Ultra High-Speed HDMI cable. Regards, David
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