Roku Streaming Stick 4K 3820CA2
- Resolution: 8K
- Video Output Resolution: 3840x2160
- Supported Internet Services: Apple TV+, CBC Gem, CTV, Crave, DAZN, Discovery+, Disney+, Global TV, Netflix, Paramount+, Pluto TV, Prime Video, Spotify, The Roku Channel, Tubi, YouTube
- Connector Type: HDMI
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A lightweight, Wi-Fi only streaming player running Roku's platform, listed with up to 8K output.
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ASIN: B09QMRNL86Model: 3820CA2Category: Streaming Players
Overview
The Roku 3820CA2 is a lightweight streaming player, about 0.6 pounds, that connects over Wi-Fi and runs Roku's streaming platform. Per this listing it outputs up to 8K resolution.
Connectivity here is Wi-Fi only, with no wired Ethernet mentioned, and the compact 0.6 pound build points to a stick or small box form factor rather than a full media console.
- Wi-Fi connectivity
- Roku streaming platform
- Up to 8K resolution per listing
- 0.6 pound lightweight build
Who it's for
Fits buyers who want a wireless streaming player on Roku's app platform for a high-resolution display. It is not suited to setups that need a wired network connection.
Pros and cons
- Lightweight at 0.6 pounds
- Wi-Fi connectivity avoids running an Ethernet cable
- Runs Roku's app platform
- Wi-Fi only, no Ethernet port listed
Performance notes
It joins your home network over Wi-Fi rather than a cable, then runs Roku's platform for app-based streaming, with output listed up to 8K.
Specifications
| Brand | Roku |
|---|---|
| Model | 3820CA2 |
| Dimensions & fit | |
| Item Weight | 0.6 pounds |
| Item Dimensions L X W X H | 0.4 × 0.8 × 3.7 inches |
| Capacity & performance | |
| Video Output Resolution | 3840x2160 |
| Compatibility & installation | |
| Connectivity Technology | Wi-Fi |
| Compatible Devices | Television |
| Smart Home Compatibility | Not Smart Home Compatible |
| Included components | |
| Unit Count | 1 |
| Warranty & support | |
| Supported Internet Services | Apple TV+, CBC Gem, CTV, Crave, DAZN, Discovery+, Disney+, Global TV, Netflix, Paramount+, Pluto TV, Prime Video, Spotify, The Roku Channel, Tubi, YouTube |
| Other details | |
| Resolution | 8K |
| Connector Type | HDMI |
| Video Codec | H.265/HEVC, Dolby Vision |
| Control Type | Voice |
| Form Factor | Stick |
| Other Special Features Of The Product | Support Dual WiFi |
| Mfr Part Number | 3820CA2 |
Frequently asked questions
How does the Roku 3820CA2 connect to a network?
Over Wi-Fi; no Ethernet connection is listed.
What resolution does the Roku 3820CA2 support?
Up to 8K, per the listing.
How much does the Roku 3820CA2 weigh?
About 0.6 pounds.