Roku Streaming Stick 4K+ (3821R) combines built-in male HDMI 2.0b with Micro-USB 5V/1A power featuring integrated Wi-Fi antenna cable. Identical port configuration to base 4K model (3820R) but ships with rechargeable Voice Remote Pro. 4K HDR10+/Dolby Vision/HLG capable with Wi-Fi 5 and Bluetooth.
Premium 4K stick with built-in HDMI 2.0b, Micro-USB power. Wi-Fi 5, Bluetooth, includes Voice Remote Pro.
Device Information
- Manufacturer
- Roku
- Release Year
- 2021
- Model Number
- 3821R
- Category
- Streaming Device
Available Ports
| Connector | Quantity | Label | Notes |
|---|---|---|---|
| HDMI 2.0b (Type A – Standard) | 1 | HDMI Connector (Built-in Male) | Integrated male connector, extension cable recommended for side-facing ports |
| USB Micro-B (USB 2.0) | 1 | Power Input | 5V/1A, 5W, integrated Wi-Fi receiver antenna in cable |
Notes & Compatibility
Built-in male HDMI connector. Micro-USB power cable with integrated Wi-Fi antenna. Ships with Voice Remote Pro.
Common questions
How many ports does the Roku Streaming Stick 4K+ (2021) have?
The Roku Streaming Stick 4K+ (2021) has 2 ports in total: 1 × HDMI 2.0b (Type A – Standard) and 1 × USB Micro-B (USB 2.0).
What kinds of ports does the Roku Streaming Stick 4K+ (2021) have?
By connector family, the Roku Streaming Stick 4K+ (2021) has 1 HDMI and 1 USB.
How many USB ports does the Roku Streaming Stick 4K+ (2021) have?
The Roku Streaming Stick 4K+ (2021) has 1 USB port: 1 × USB Micro-B (USB 2.0).
What video connections does the Roku Streaming Stick 4K+ (2021) have?
The Roku Streaming Stick 4K+ (2021) has 1 port that can carry video: 1 × HDMI 2.0b (Type A – Standard).
How is the Roku Streaming Stick 4K+ (2021) powered?
The Roku Streaming Stick 4K+ (2021) takes power over 1 × USB Micro-B (USB 2.0), rated for up to 5 W.
Does the Roku Streaming Stick 4K+ (2021) have a USB-A port?
No. The Roku Streaming Stick 4K+ (2021) has no full-size USB Type-A port. It has 1 × USB Micro-B (USB 2.0) instead, so full-size USB accessories need an adapter or a hub.
Does the Roku Streaming Stick 4K+ (2021) have a headphone jack?
No. The Roku Streaming Stick 4K+ (2021) has no 3.5 mm headphone jack. Its audio connections are 1 × HDMI 2.0b (Type A – Standard).
