(Support 4K@ 144Hz ultra refresh rate & backward compatible with 4K@60Hz. 8K（7680x4320) resolution. ◀◀ HDMI 2.1 Splitter▶▶. ② 4K HDMI 2.0 Switch. ① 8K HDMI 2.1 Switch. 4K@144Hz Max Refresh Rate. 4K@144Hz Refresh Rate.
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