([High resolution]:HDMI splitter 1 input 4 output supports resolutions up to 3D, 1080p 4K@60Hz, 2k@30hz, 1080p@30Hz, 480i, 480p, 720i, 720p, 1080i. If your HDMI input and output are 4K and the HDMI cable is high-quality version 2.0 or higher, all four displays are running at 4K, and the four displays are synchronized; Note: If you use HDMI cable 1.4, you cannot reach 4K (4096 2160) resolution).
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