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Hi Steve - Thanks for asking! All 4 HDMI ports on the 43” QN90B are capable of Auto Low Latency Mode (ALLM), Dynamic Metadata (HDR10+), Variable Refresh Rate (VRR), and 4K@120Hz (up to 144Hz for PCs). eARC support can further be found in HDMI port 3. Hope this helps! ^Gina
Sorry, there was a problem. Please try again later.All 4 ports is hdmi 2.1 120hz 144hz pc
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