Here are the specs for the Roku 4 streaming media player that supports 4k Ultra HD content.
Roku 4 Video Ouput:
- Up to 4K UHD (3840 × 2160) on 4K UHD TVs
- Up to 1080p HD (1920 x 1080) on HD TVs
- Up-scales 720p to 1080p HD on 1080p HD and 4K UHD TVs
- Up-scales 1080p HD to 4K UHD on 4K UHD TVs
USB Supported Media:
- 4K UHD 60 fps HEVC Playback
- 4K UHD 30 fps VP9 Playback (YouTube)
802.11ac MIMO dual-band wireless
10/100 Base-T Ethernet
Dolby Digital Plus 7.1 surround sound passed through via HDMI® or optical output
microSD card port for additional game and channel storage
USB port for personal media expansion
Enhanced remote with voice search, point anywhere use, headphone jack, and motion-control for gaming.
Player includes IR receiver, compatible with various universal remotes.
Speaker for Remote Finder alerts
12.4W (typical) when streaming 4K UHD video
12V – 2A power adapter
USB Media Formats
Video: MP4 (H.264), MKV (H.264), HEVC (H.265)
Audio: MP3, Apple Lossless, WMA, AAC
Image: JPG, PNG, up to 4K UHD resolution
6.5 x 6.5 x 0.8 inches