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Amazon.co.jp: USB-C HDMI Converter Adapter, 4K@60Hz Type-C HDMI Converter Cable (Thunderbolt 3 Compatible), No Power Needed, No Setting, Type-C HDMI Adapter for Macbook Pro/Air, iPad Series, Surface, Chromebook, XPS, Galaxy, Android Phones
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macos - Why does the 14" M1 Macbook Pro support 5120x1440@70hz when using an HDMI 2.0 USB-C dongle, but not via the built in HDMI 2.0 port? - Super User
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