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GreenTeaDrinker - All 4 HDMI ports on the 50" QN90B TV support Auto Low Latency Mode (ALLM), Dynamic Metadata (HDR10+), Variable Refresh Rate (VRR), as well as next-gen gaming capabilities like 4K@120Hz (up to 144Hz for PCs). The “HDMI In 3” port further supports eARC. ~ Samsung Specialist
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