the Roku 4 is the most advanced streaming set-top box the company has made to date, with support for 4K Ultra HD video up to 60 frames per second via its HDCP 2.2-compliant HDMI 2.0a output. The streamer supports both HEVC (H.265) and VP9 for decoding 4K Ultra HD streams from the likes of Amazon, Netflix, Vudu, UltraFlix, and YouTube.

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