{"data":{"slug":"roku-streaming-stick-4k","type":"streaming_device","brand":"Roku","name":"Streaming Stick 4K","aliases":["Streaming Stick 4K 3820EU"],"release_date":"2021-10","url":"https://arkivo.dev/streaming-devices/roku-streaming-stick-4k","specs":{"series":null,"model_numbers":["3820EU"],"gtins":["829610004877"],"announce_date":"2021-09-20","status":"discontinued","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":["GB"],"colors":["Black"],"manufacturer_url":"https://www.roku.com/en-gb/products/players/roku-streaming-stick-4k","spec_sheet_url":"https://www.avxperten.no/files/79407/leaflet-86529-20135904.pdf","manual_url":"https://image.roku.com/c3VwcG9ydC1B/RSS4K-QSG-EU-Spring2023.pdf","eprel_registration_number":null,"warranty_years":2,"form_factor":"stick","max_output_resolution":{"width_px":3840,"height_px":2160},"max_output_refresh_rate_hz":60,"video_output_modes":[{"width_px":3840,"height_px":2160,"refresh_rate_hz":60,"hdr_format":null,"bit_depth_bits":null,"chroma":null}],"hdr_formats":["hdr10","hdr10_plus","dolby_vision","hlg"],"dolby_vision_profiles":null,"hdmi_version":"2.0","hdcp_version":"2.2","hdmi_cec":true,"automatic_frame_rate_matching":null,"dynamic_range_matching":null,"upscaling":["720p to 1080p","1080p to 4K/60"],"video_codecs":["H.264","HEVC","VP9"],"video_decode_limits":null,"video_containers":["MKV","MP4","MOV","WebM"],"drm_systems":["Widevine L1","PlayReady"],"audio_formats":["Digital stereo","DTS Digital Surround","Dolby Audio","Dolby Atmos"],"audio_passthrough_formats":["DTS Digital Surround","Dolby Audio","Dolby Atmos"],"dolby_atmos":true,"audio_channel_configurations":["2.0"],"max_audio_sample_rate_khz":null,"max_audio_bit_depth_bits":null,"bluetooth_audio":false,"bluetooth_codecs":null,"soc":null,"cpu":"ARM Cortex-A55","cpu_cores":4,"cpu_clock_max_ghz":null,"gpu":null,"ram_gb":1,"ram_type":null,"storage_gb":null,"storage_type":null,"expandable_storage":null,"storage_expansion_methods":null,"wifi_standard":"wifi_5","wifi_bands":["2_4ghz","5ghz"],"wifi_mimo":"MIMO","ethernet_speed_mbps":null,"optional_ethernet":null,"bluetooth_version":null,"ports":[{"type":"hdmi","count":1,"version":"2.0","role":"Fixed plug for video and audio output","speed_gbps":null},{"type":"micro_usb","count":1,"version":null,"role":"Power and supplied long-range Wi-Fi receiver","speed_gbps":null}],"thread_border_router":null,"matter_controller":null,"smart_home_platforms":["Apple HomeKit","Google Assistant","Amazon Alexa"],"remote_model":"Roku Voice Remote with TV controls","remote_connection":null,"remote_microphone":true,"remote_voice_assistants":["Roku Voice"],"remote_tv_control":["Power","Volume","Mute"],"remote_finder":false,"remote_backlight":null,"remote_power":"2 AAA alkaline batteries, 1.5 V each","remote_charging_port":null,"operating_system":"Roku OS","launch_os_version":"10.5","app_store":"Roku Streaming Store","casting_protocols":["Apple AirPlay 2"],"voice_assistants":["Roku Voice","Siri","Amazon Alexa","Google Assistant"],"hands_free_voice_control":true,"mobile_remote_platforms":["ios","android"],"accessibility_features":null,"game_services":null,"game_controller_support":null,"power_supply":"usb","power_input":null,"included_adapter_output_w":null,"power_consumption_max_w":null,"power_consumption_standby_w":null,"measured_power_consumption_video_w":null,"measured_power_consumption_idle_w":null,"measured_power_consumption_standby_w":null,"measured_boot_time_s":null,"dimensions_mm":{"width_mm":21.1,"height_mm":11.5,"depth_mm":95.4},"weight_g":22,"remote_dimensions_mm":{"width_mm":42,"height_mm":142,"depth_mm":21},"remote_weight_g":null,"fcc_id":null,"other_certifications":null,"in_the_box":["Roku Streaming Stick 4K","Roku Voice Remote with TV controls","2 AAA batteries","USB power cable with long-range Wi-Fi receiver","Power adapter"],"hdmi_cable_included":false},"variants":[],"sources":[{"url":"https://www.avxperten.no/files/79407/leaflet-86529-20135904.pdf","kind":"manufacturer_pdf","accessed":"2026-10-07","fields":["model_numbers","gtins","markets","spec_sheet_url","form_factor","max_output_resolution","max_output_refresh_rate_hz","video_output_modes","hdmi_version","hdcp_version","upscaling","audio_formats","audio_passthrough_formats","dolby_atmos","audio_channel_configurations","wifi_standard","wifi_mimo","smart_home_platforms","remote_model","remote_microphone","remote_voice_assistants","remote_tv_control","remote_power","casting_protocols","voice_assistants","mobile_remote_platforms","weight_g","dimensions_mm","remote_dimensions_mm","warranty_years","hands_free_voice_control"],"notes":{"model_numbers":"Page 1 UK Set-up Information SKU/Model 3820EU. Original standard Voice Remote package. 3820EU2 and US R2 revisions are not retained variants.","gtins":"Page 1 UPC row. Exact UK 3820EU package UPC. Other regions have separate identifiers.","markets":"Page 1 UK Set-up Information identifies the selected reference package. Other regions not declared as verified variant rows.","spec_sheet_url":"Four-page original maker sales/specification sheet mirrored at retailer and independently downloaded and read.","form_factor":"Page 1 description and page 2 Designed to stream, not be seen identify the stick that plugs directly into the TV.","max_output_resolution":"Page 3 Video Resolution explicitly gives up to 4K/60 Ultra HD (3840 x 2160) on a 4K UHD TV. This is output, not UI resolution.","max_output_refresh_rate_hz":"Page 3 Video Resolution and Output Type explicitly state 4K/60 Ultra HD output with HDMI 2.0 and HDCP 2.2. Compatible TV required.","video_output_modes":"Page 3 explicit 4K/60 output. No inferred lower-resolution maximum, colour depth or chroma. HDR combination details are not imported from later R2 page.","hdmi_version":"Page 3 Output Type explicitly HDMI 2.0. Other generic/US sources say 2.0b. Exact UK original sheet is retained without adding a revision suffix.","hdcp_version":"Page 3 output row: HDCP 2.2 for 4K/60, Dolby Vision and HDR. Lower output modes may use HDCP 1.4.","upscaling":"Page 3 Video Up-conversion names these source and output combinations. No AI upscaling claim.","audio_formats":"Page 3 Audio Features. Digital stereo over HDMI. DTS, Dolby Audio and Atmos are HDMI passthrough, not device Dolby decoding or TrueHD support.","audio_passthrough_formats":"Page 3 Audio Features explicitly names pass through over HDMI for DTS and Dolby Audio/Atmos. A compatible decoder is required. TrueHD and lossless Dolby are not implied.","dolby_atmos":"Page 3 Audio Features explicitly Dolby ATMOS pass through over HDMI. Contradictory early reviews say no Atmos. Exact maker sheet takes precedence and only passthrough support is claimed.","audio_channel_configurations":"Page 3 digital stereo over HDMI. This row is stereo output only and does not set a surround passthrough channel maximum.","wifi_standard":"Page 3 Wireless Technology: 802.11ac MIMO dual-band Wi-Fi.","wifi_mimo":"Page 3 wireless row says MIMO without a published antenna-stream count. No 2x2 inferred.","smart_home_platforms":"Page 1 supports these ecosystems. Page 2 works with compatible external voice-assistant devices. HomeKit is accessory control, not a home hub or Thread border router.","remote_model":"Page 1 and page 3 Accessories Included. Original non-Pro supplied voice remote. No later Voice Remote Pro features inherited.","remote_microphone":"Page 3 point-anywhere voice remote. Page 1 and 2 explicitly say use your voice to search and control. This is the voice-input microphone, not hands-free operation.","remote_voice_assistants":"Page 2 use your voice to search and control. Maker launch release calls the supplied remote feature Roku Voice. Alexa, Google Assistant and Siri require separate compatible devices.","remote_tv_control":"Page 3 Accessories Included identifies TV power, mute and volume buttons. Works with compatible TV and depends on TV control setup.","remote_power":"Page 3 Accessories Included and Battery type rows. Replaceable original supplied batteries, not rechargeable Pro hardware.","casting_protocols":"Page 1 explicitly Apple Airplay 2 and page 2 Share it with Apple AirPlay. Requires compatible Apple device and current compatible software.","voice_assistants":"Page 1 and 2 ecosystem support. Roku Voice is supplied remote push-to-talk. Siri/HomeKit, Alexa and Google Assistant require compatible external devices, not a built-in far-field microphone.","mobile_remote_platforms":"Page 1 free Roku mobile app iOS and Android offers an extra remote. App-based headphone output is distinct from direct device Bluetooth.","weight_g":"Page 4 Out of box unit (player) Weight 22 gr. Device only. US/generic sources give 26 g. Exact UK maker sheet takes precedence for this retained reference SKU.","dimensions_mm":"Page 4 player Width 21.1, Length 95.4, Height 11.5 mm. Width is across the stick, depth follows its HDMI-plug length. The maker does not separately qualify the fixed plug endpoints. Later/US sources give 94.5 mm length.","remote_dimensions_mm":"Page 4 remote Width 42, Length 142, Height 21 mm. Mapped to across buttons, along buttons and front-to-back thickness. Supplied standard remote.","warranty_years":"Page 3 Warranty Description: 2 Year Limited Manufacturer warranty for the UK reference package. No US warranty inherited.","hands_free_voice_control":"Page 2 Works with popular voice assistants explicitly supports spoken search/play/control through compatible Alexa, Google Assistant or Siri-enabled external devices. The supplied standard remote remains push-to-talk."}},{"url":"https://www.roku.com/blog/introducing-roku-streaming-stick-4k","kind":"press_release","accessed":"2026-10-07","fields":["announce_date","cpu_cores"],"notes":{"announce_date":"Maker launch blog is dated September 20, 2021. Original newsroom URL now returns a shell and was replaced with this readable maker announcement.","cpu_cores":"Exact original launch Smooth streaming bullet explicitly states an all-new quad-core processor."}},{"url":"https://www.flatpanelshd.com/news.php?id=1632196808&subaction=showfull","kind":"press","accessed":"2026-10-07","fields":["release_date","hdr_formats","wifi_bands","hdmi_cec"],"notes":{"release_date":"September 21 report says US and UK availability from mid-October. Best supported approximate month for original UK 3820EU. UK Cord Busters hands-on dated November 22 confirms original retail hardware existed.","hdr_formats":"Original 2021 exact-generation specification block names Dolby Vision, HDR10/10+ and HLG. Maker sheet independently names Dolby Vision/HDR10+.","wifi_bands":"Original 2021 specification block calls dual-band. Explicit band frequencies independently stated in the original PCWorld review, not inferred from Wi-Fi 5.","hdmi_cec":"Original article explicitly identifies HDMI CEC support for TV and device controls. It does not prove every optional CEC command."}},{"url":"https://developer.roku.com/dev/docs/hardware","kind":"manufacturer_page","accessed":"2026-10-07","fields":["cpu","ram_gb","status"],"notes":{"cpu":"Original 2021 Roku Streaming Stick 4K Madison row, model 3820X. Later 2022 Logan 3820X2 row is excluded. No clock inferred.","ram_gb":"Same original 2021 Madison 3820X hardware table explicitly 1 GB. EU 3820 is the selected original marketed model, not the EU2 package.","status":"Current Updatable Roku models table says these devices are no longer manufactured but can run the latest Roku OS. Exact original Madison 3820X row is included. This discontinued status applies to represented original 2021 hardware, not later Logan/R2 or EU2 revision under the same marketed name."}},{"url":"https://www.pcwelt.de/article/1206133/test-roku-streaming-stick-4k-3820eu.html","kind":"review_site","accessed":"2026-10-07","fields":["colors","ports","operating_system","hdmi_cable_included"],"notes":{"colors":"Exact 3820EU Design & Verarbeitung describes matt-black finish.","ports":"Exact 3820EU Design & Verarbeitung gives direct HDMI plug and Micro-USB power cable port. Version 2.0 follows exact original maker sheet. No USB data speed or peripheral expansion inferred.","operating_system":"Exact 3820EU software section states Roku OS 10.5. Platform and launch version are stored separately.","hdmi_cable_included":"Exact 3820EU review says no HDMI extension cable is supplied. Original fixed HDMI plug does not count as separate cable. Maker support requires ordering an extender separately."}},{"url":"https://www.tomsguide.com/reviews/roku-streaming-stick-4k","kind":"review_site","accessed":"2026-10-07","fields":["launch_os_version"],"notes":{"launch_os_version":"Interface section explicitly states Streaming Stick 4K came out alongside Roku OS 10.5. Current article later discusses Roku OS 12 separately."}},{"url":"https://support.roku.com/en-us/article/how-to-use-bluetooth-headphone-mode","kind":"manual","accessed":"2026-10-07","fields":["bluetooth_audio"],"notes":{"bluetooth_audio":"Which devices are compatible lists Streaming Stick 4K and 4K+ among devices that do not support direct Bluetooth Headphone Mode. Mobile app headphone output uses the phone radio and is separate."}},{"url":"https://support.roku.com/article/share-media-over-usb-or-network","kind":"manual","accessed":"2026-10-07","fields":["video_codecs","video_containers","app_store"],"notes":{"video_codecs":"Roku Media Player supports AVC generally and HEVC/VP9 on Roku 4K devices. Network media-server playback applies because stick lacks a media USB port. AV1 is only on some devices and is not imported.","video_containers":"Current maker Roku Media Player manual supports network media-server playback on Roku streaming devices. AVC/HEVC MKV, MP4 and MOV, VP9 MKV/WebM. Original UK leaflet says Media Playback File Format none without specifying route or app. Current manual governs this app-based network route. No USB media capability is claimed.","app_store":"Article opening says Roku Media Player is available through Roku Store. The other Roku player pages call the same storefront Streaming Store, the name stored here. Supports the device app ecosystem, not sideloading or regional service availability."}},{"url":"https://developer.roku.com/dev/docs/content-protection","kind":"manufacturer_page","accessed":"2026-10-07","fields":["drm_systems"],"notes":{"drm_systems":"Widevine table explicitly places Madison in L1 players. Original hardware table identifies 3820X as Madison. PlayReady streaming table covers Roku devices. No unpublished PlayReady security level inferred. App licenses and firmware requirements apply."}},{"url":"https://support.roku.com/article/set-up-your-streaming-stick-4k","kind":"manual","accessed":"2026-10-07","fields":["manufacturer_url","manual_url","power_supply"],"notes":{"manufacturer_url":"Maker product route. This link is not evidence for changing original reference hardware to a current revised package.","manual_url":"Current model 3820 setup guide links the EU quick-start document. The Spring 2023 document was independently downloaded and read. It covers shared setup and supplied standard remote layout, not proof of a later hardware revision's specifications.","power_supply":"Setup Step 2: supplied USB cable powers device from included wall adapter or compatible TV USB. Original supplied long-range Wi-Fi receiver cable is required."}},{"url":"https://www.cordbusters.co.uk/roku-streaming-stick-4k-uk-review/","kind":"review_site","accessed":"2026-10-07","fields":["in_the_box"],"notes":{"in_the_box":"Original UK Setting Up section identifies stick, remote with batteries and power cable/adapters. Maker original sheet additionally confirms voice remote, 2 AAA batteries and receiver USB cable. Ambiguous extender wording in sheet is omitted and exact UK review says HDMI extension is not supplied."}},{"url":"https://arstechnica.com/gadgets/2022/02/4k-streamer-showdown-chromecast-vs-amazon-fire-tv-stick-vs-roku-streaming-stick/","kind":"review_site","accessed":"2026-10-07","fields":["remote_finder"],"notes":{"remote_finder":"Original standard Streaming Stick 4K supplied basic remote explicitly lacks a remote-finding siren. This is distinct from the optional Voice Remote Pro and 4K+ package."}},{"url":"https://support.roku.com/article/article/control-your-streaming-devices-with-alexa","kind":"manual","accessed":"2026-10-07","fields":["hands_free_voice_control"],"notes":{"hands_free_voice_control":"External Alexa route, not a hands-free microphone on the supplied standard remote. Official support explicitly includes the UK, requires Roku OS 9.1 or higher, a linked Roku skill/account and compatible Alexa-enabled device such as Echo, and gives spoken search and app-launch commands. Netflix commands and some other controls are excluded. Exact original UK sheet and maker launch independently state compatible external assistant voice control."}},{"url":"https://www.pcworld.com/article/579766/roku-streaming-stick-4k-review.html","kind":"review_site","accessed":"2026-10-07","fields":["wifi_bands"],"notes":{"wifi_bands":"Little niceties everywhere section explicitly describes choosing the best connection on networks with separate 2.4 GHz and 5 GHz bands. Original 2021 Streaming Stick 4K review, corroborating original UK maker dual-band claim."}}],"fields_filled":54,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}