Roku Express 4K (3940R) ships as compact set-top puck with separate HDMI 2.0b cable and Micro-USB 5V/1A power. HDMI output port uses provided short cable—no built-in connector. 4K HDR10+/HLG support (no Dolby Vision) with Wi-Fi 5 dual-band and Bluetooth for remote control.
Budget 4K player with HDMI 2.0b output, Micro-USB power. Wi-Fi 5, no Dolby Vision support.
Device Information
- Manufacturer
- Roku
- Release Year
- 2021
- Model Number
- 3940R
- Category
- streaming
Available Ports
| Connector | Quantity | Label | Notes |
|---|---|---|---|
| HDMI 2.0b (Type A - Standard) | 1 | HDMI Output | Female port, includes short cable, 4K 60Hz with HDR10+/HLG |
| USB Micro-B (USB 2.0) | 1 | Power Input | 5V/1A, 5W |
Notes & Compatibility
Set-top puck format. Includes short HDMI cable in box. Female HDMI port, not built-in male.
