Roku Ultra 4800R

The current flagship model of the Roku lineup is easy to use, supports 4K, HDR and Dolby Atmos sound, has the best remote, and includes nearly every app you might want.
Pros and Cons
Pros
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Best-in-class remote
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4K/HDR and Dolby Vision
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Fast, with wired internet
Cons
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More expensive than streaming sticks