All Specs Roku has long separated its 1080p and entry-level 4K media streamers into two product lines: Express (1080p) and Premiere (4K). In an effort to simplify its lineup, the company is rolling the Premiere into the Express line, and that brings us the Roku Express 4K+. This $39.99 media hub is effectively the same device as the $49.99 Roku Premiere+ it replaces, able to stream 4K HDR content and accept commands through a wireless voice remote. It’s affordable and easy to use, even if it lags a bit behind other media streamers with its lack of Dolby Vision support and underdeveloped voice features.