TV and audio / Streaming devices
RokuStreaming device
Ultra (2024)
Released 24 September 2024.2Press releaseroku.com/blog/new-roku-ultraRead 7 October 2026Availability says available starting today at Roku.com. US reference, first direct-sale availability, not later retailer stock. Last checked 16 October 2026.
- Max output resolution
- 3840 × 2160
- HDR formats
- HDR10, HDR10+, Dolby Vision, HLG
- Operating system
- Roku OS
- Storage
- 4GB
62 of 97 fields known.
At a glance
Ports
- USB-A USB 3.0
- HDMI 2.1b
- Ethernet
- DC power
General
- Model numbers
- 4850R, 4850X1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Exact retail product details list Model 4850R. Developer model identifier 4850X is separately sourced. Not older 4800/4802 or Walmart LT.3Maker product pagedeveloper.roku.com/dev/docs/hardwareRead 7 October 2026Current hardware table names Ultra Brewster 4850X, 2024. Software hardware identifier alongside retail SKU 4850R.
- GTIN / EAN
- 8296100068889Retailer pageabt.com/Roku-Ultra-4K-Streaming-Device-2024-4850R/p/213248.htmlRead 7 October 2026Exact 4850R product header UPC 829610006888.
- Announced
- 24 September 20242Press releaseroku.com/blog/new-roku-ultraRead 7 October 2026Dated September 24, 2024.
- Predecessor
- Not available
- Successor
- Not available
- Launch price (US)
- $99.992Press releaseroku.com/blog/new-roku-ultraRead 7 October 2026Availability explicitly $99.99 in US. US pre-tax MSRP, separate from Canadian price or later sales.
- Launch price (EU)
- Not available
Video output
- Max output resolution
- 3840 × 2160px1Maker product pageroku.com/products/roku-ultraRead 7 October 2026TV compatibility: up to 2160p at 60 fps (3840 x 2160). This is HDMI output, not UI rendering resolution.
- Max output refresh rate
- 60Hz1Maker product pageroku.com/products/roku-ultraRead 7 October 2026TV compatibility explicitly up to 2160p at 60 fps and Dolby Vision at 60 fps. Requires compatible HDMI/HDCP chain. No higher UI/TV rate imported.
- Video output modes
Width (px) Height (px) Refresh rate (Hz) HDR format 3840 2160 60 Dolby Vision - HDR formats
- HDR10, HDR10+, Dolby Vision, HLG1Maker product pageroku.com/products/roku-ultraRead 7 October 2026TV compatibility explicitly lists Dolby Vision, HDR10/10+ and HLG. Compatible content, TV and HDMI chain required.
- Dolby Vision profiles
- Not available
- Automatic frame rate matching
- Yes2Press releaseroku.com/blog/new-roku-ultraRead 7 October 2026Exact 2024 launch explicitly HDMI 2.1 Quick Media Switching between refresh rates/content sources. Official auto-adjust article supplies native-content matching settings and app restrictions.12Owner's manualsupport.roku.com/article/change-the-refresh-rateRead 7 October 2026Roku auto-adjust display refresh switches to source native rate on compatible players. Exact 2024 launch additionally establishes QMS switching. Some apps including Netflix/Hulu exclude auto-adjust. Enable in Advanced display settings. QMS requires compatible TV, no implied universal app support.
- Dynamic range matching
- Not available
- Upscaling
- 720p to 1080p, 720p to 2160p, 1080p to 2160p1Maker product pageroku.com/products/roku-ultraRead 7 October 2026TV compatibility separately names upscaling 720p to 1080p and 720p/1080p to 2160p. No named AI processing invented.
Video decoding
- Video codecs
- H.264, HEVC, VP9.2, AV11Maker product pageroku.com/products/roku-ultraRead 7 October 2026USB media formats explicitly H.264/AVC, H.265/HEVC, VP9.2 and AV1. Local USB route and listed container restrictions, no generic chip capability inherited.
- Video decode limits
- Not available
- Video containers
- MKV, MP4, MOV1Maker product pageroku.com/products/roku-ultraRead 7 October 2026USB video playback table lists MKV, MP4 and MOV. VP9.2 only MKV, AV1 MP4/MKV, AVC and HEVC all three. This is local playback, not every streaming protocol.
- DRM systems
- Not available
Audio
- Audio formats
- AAC, MP3, WMA, FLAC, PCM, AC3, EAC3, DTS Digital Surround, ALAC, HE-AAC, AC-4 with Atmos, EAC3 with Atmos1Maker product pageroku.com/products/roku-ultraRead 7 October 2026USB audio format table lists each stored format. DTS is passthrough, Atmos is via AC-4/EAC3 in listed local containers and HDMI with compatible sound equipment. Decode versus passthrough qualified separately.
- Audio passthrough formats
- DTS Digital Surround, AC3, EAC31Maker product pageroku.com/products/roku-ultraRead 7 October 2026Audio features explicitly DTS Digital Surround pass through over HDMI. AC3/EAC3 passthrough separately sourced from official streaming specification. No TrueHD/DTS-HD inference.4Maker product pagedeveloper.roku.com/dev/docs/mediaRead 7 October 2026Supported audio notes explicitly AC3/EAC3 passthrough to receiving device, separately names Brewster 4850X Dolby support. DTS passthrough also explicit. No lossless-format support inferred.
- Audio channel configurations
- 2.01Maker product pageroku.com/products/roku-ultraRead 7 October 2026Audio features explicitly list Digital stereo over HDMI, stored as 2.0. No inferred PCM multichannel output.
- Max audio sample rate
- Not available
- Max audio bit depth
- Not available
- Bluetooth audio output
- Yes1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Bluetooth Headphone Mode explicitly pairs headphones directly to Ultra. Bluetooth input streaming is separate and not used as output proof.
- Bluetooth audio codecs
- Not available
Processor and memory
- System on chip
- Not available
- Max CPU clock
- Not available
- GPU
- Not available
- RAM type
- Not available
- Storage type
- Not available
- Storage expansion methods
- USB mass storage for local media playback1Maker product pageroku.com/products/roku-ultraRead 7 October 2026USB local playback only. App installation on external media unproved.
Connectivity
- Wi-Fi
- Wi-Fi 61Maker product pageroku.com/products/roku-ultraRead 7 October 2026Networking explicitly 802.11 ax Wi-Fi 6.
- Wi-Fi bands
- 2.4 GHz, 5 GHz1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Networking explicitly 2.4 GHz / 5 GHz. No 6 GHz inferred.
- Built-in Ethernet speed
- 100Mbps1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Networking and ports explicitly 10/100 Base-T. Maximum rated built-in link 100 Mbps, not review throughput.
- Optional Ethernet adapter support
- Not available
- Bluetooth version
- Not available
- Ports
Connector Count Version Role Data speed (Gbps) USB-A 1 USB 3.0 Local media playback and remote charging Not available HDMI 1 2.1b Video and audio output Not available Ethernet 1 Not available 10/100 Base-T networking 0.1 DC power 1 Not available Power input Not available
Smart home
- Thread border router
- Not available
- Smart home platforms
- Roku Smart Home, Apple HomeKit, Google Home, Amazon Alexa1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Compatibility lists Roku Smart Home, Apple HomeKit, Google Home and Alexa. HomeKit is accessory integration, not Matter-controller proof.
Remote control
- Remote model
- Roku Voice Remote Pro (2nd edition)1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Remote control and box table explicitly Roku Voice Remote Pro (2nd edition). Original supplied remote, not a later generic replacement.
- Remote connection
- Not available
- Remote voice assistants
- Roku Voice2Press releaseroku.com/blog/new-roku-ultraRead 7 October 2026Supplied second-edition remote supports hands-free Hey Roku voice commands and shortcuts. Other assistant integrations require external devices.
- Remote TV control
- Power, Volume, Mute5Owner's manualsupport.roku.com/en-us/article/learn-about-voice-remote-proRead 7 October 2026Second-edition description confirms TV power and volume controls. Its exact diagram includes mute among the shared core buttons. TV compatibility and remote setup affect operation. No input switching implied.
- Remote backlight
- Yes1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Product explicitly backlit buttons on supplied Voice Remote Pro.
- Remote power
- Built-in rechargeable lithium-ion battery5Owner's manualsupport.roku.com/en-us/article/learn-about-voice-remote-proRead 7 October 2026Charging section explicitly rechargeable lithium-ion battery. Second-edition full charge 5.5 h and typical 3 months remain in source context, not unsupported schema fields.
- Remote charging port
- USB-C1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Box includes USB-C cable for remote, and launch explicitly USB-C charging for second edition.2Press releaseroku.com/blog/new-roku-ultraRead 7 October 2026Second-edition remote explicitly convenient USB-C charging.
Software
- Operating system
- Roku OS6Owner's manualsupport.roku.com/en-us/article/learn-about-ultraRead 7 October 2026Exact 4850 guide Learn about Roku features identifies Roku OS. Launch OS revision unproved.
- Operating system at launch
- Not available
- App store
- Roku Streaming Store6Owner's manualsupport.roku.com/en-us/article/learn-about-ultraRead 7 October 2026Exact-model guide includes Roku Streaming Store link in footer and add-app guidance. Current platform store name.
- Casting protocols
- Apple AirPlay 27Owner's manualsupport.roku.com/en-us/article/360057488733Read 7 October 2026Compatibility table explicitly Ultra 4850 with Roku OS 9.4 or later for AirPlay 2. Apple host requires iOS 12.3 or macOS 10.14.5 or later, same network. Published minimum compatibility is not the launch OS.
- Voice assistants
- Roku Voice, Amazon Alexa, Google Assistant, Apple Siri1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Exact model compatibility supports Alexa and Google Home. Footer explicitly requires Alexa-enabled or Google Assistant-enabled external device. Roku Voice via remote, Siri via separate HomeKit support guide. Not onboard Alexa/Google microphones.7Owner's manualsupport.roku.com/en-us/article/360057488733Read 7 October 2026HomeKit section explicitly Siri control via supported Apple device. Basic remote commands via Siri only within AirPlay session. Google Assistant/Alexa integrations require external assistant devices as product footer states. Roku Voice runs from supplied remote.
- Hands-free voice control
- Yes2Press releaseroku.com/blog/new-roku-ultraRead 7 October 2026Supplied second-edition Voice Remote Pro explicitly hands-free commands. Enabled remote microphone slider and nearby remote required.
- Mobile remote platforms
- Android, iOS6Owner's manualsupport.roku.com/en-us/article/learn-about-ultraRead 7 October 2026Exact 4850 guide Get the Roku mobile app explicitly iOS and Android for player control. No Windows capability inherited.
- Accessibility features
- Text-to-speech screen reader, Closed captioning10Owner's manualsupport.roku.com/en-us/article/enable-the-texttospeech-screen-readerRead 7 October 2026Explicit Roku Ultra support for text-to-speech screen reader in US. Software update may be required. Closed captioning separately linked in exact 4850 guide. No audio-description promise for every app.13Owner's manualsupport.roku.com/en-us/article/turn-on-closed-captioningRead 7 October 2026Roku closed captioning on compatible channel content. Available caption tracks and app settings vary. Exact 4850 guide explicitly links this feature.
Gaming
We could not find any of these 2 fields. Show them
- Game services
- Not available
- Game controller support
- Not available
Power
- Power supply
- External DC adapter1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Supplied external power adapter, dedicated Power connector and 12 V input shown in product details. Not USB-powered.
- Rated power input
- 12 V, 1.5 A1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Power input table literally 12 V - 1.5 A. Device input only. Does not prove included adapter output or power consumption.
- Included adapter output
- Not available
- Max power consumption (claimed)
- Not available
- Standby power (claimed)
- Not available
Measured
We could not find any of these 4 fields. Show them
- Video playback power (measured)
- Not available
- Idle power (measured)
- Not available
- Standby power (measured)
- Not available
- Boot time (measured)
- Not available
Dimensions and weight
Front and side, drawn to scale.
- Dimensions
- Width124.4Height25.4Depth127mm(4.9 × 1 × 5 in)1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Maker size table publishes 124.4 x 127.0 x 25.4 mm without axis labels. Exact 4850R Dell retail table separately identifies width 4.9 inches, depth 5 inches and height 1 inch. Those labels establish the axis order. Stored metric values remain literal maker numbers, without converting rounded inches.15Retailer pagedell.com/en-us/shop/homeentertainment/apd/roku-ultra-4850r-network-audio-video-player-wireless-lan-usb-hdmi-cable-included/7t26pn/4850rRead 7 October 2026Exact 4850R Physical Characteristics names width 4.9 inches, depth 5 inches and height 1 inch. Used only to establish the axis order of maker literal metric dimensions.
- Weight
- 167.2g(5.9 oz)1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Weight table explicitly 167.2 g (5.9 ounces). Player-only product details, no remote or adapter.
- Remote dimensions
- Not available
- Remote weight
- Not available
Certifications
We could not find any of these 2 fields. Show them
- FCC ID
- Not available
- Other certifications
- Not available
In the box
- In the box
- Roku Ultra streaming player, Roku Voice Remote Pro (2nd edition), USB-C charging cable for remote, Premium High Speed HDMI cable, Power adapter1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Exact Model 4850R box inventory lists player, second-edition remote, remote USB-C cable, Premium High Speed HDMI cable and power adapter. No remote headphone jack, batteries or old-model extras imported.
Links
- Product page
- www.roku.com/products/roku-ultra1Maker product pageroku.com/products/roku-ultraRead 7 October 2026Exact current 4850R product details, read as ordinary public HTML.
- Spec sheet
- Not available
- Manual
- image.roku.com/c3VwcG9ydC1B/Roku-Ultra-2024-QSG.pdf14Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Ultra-2024-QSG.pdfRead 7 October 2026Exact Roku support model 4850 link points to Roku-Ultra-2024-QSG.pdf. Independently downloaded one-page 2024 guide. No older UltraLT guide used.
- EPREL registration number
- Not available
Warranty
- Manufacturer warranty (source market)
- 1year11Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/5b/5b125123-9613-4138-9e94-2095d9c4cb30.pdfRead 7 October 2026Roku-branded US streaming player warranty. Page 1: one year from original end-user purchase and delivery in US from Roku/authorized seller. Retailer-hosted maker document. Consumer statutory rights excluded.
Compare with
Pick a streaming device to see both side by side. Differences are marked yellow.
Sources
We read 15 sources for this streaming device. The numbers match the markers in the sheet.
- Maker product pageroku.com/products/roku-ultra
- Press releaseroku.com/blog/new-roku-ultra
- Maker product pagedeveloper.roku.com/dev/docs/hardware
- Maker product pagedeveloper.roku.com/dev/docs/media
- Owner's manualsupport.roku.com/en-us/article/learn-about-ultra
- Owner's manualsupport.roku.com/en-us/article/360057488733
- Maker spec sheet (PDF)images.thdstatic.com/catalog/pdfImages/5b/5b125123-9613-4138-9e94-2095d9c4cb30.pdf
- Owner's manualsupport.roku.com/article/change-the-refresh-rate
- Owner's manualsupport.roku.com/en-us/article/turn-on-closed-captioning
- Owner's manualimage.roku.com/c3VwcG9ydC1B/Roku-Ultra-2024-QSG.pdf
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