Roku Ultra

Streams
HD
4K
HDR
Dolby Vision®
The ultimate streaming player
Our fastest streaming player ever
Unmatched cinematic picture & sound
Roku Voice Remote Pro with backlit buttons and a rechargeable battery
Access to all your favorite shows plus free, live, and trending TV

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30-day money-back guarantee

The ultimate streaming player

See your TV at its best with Roku Ultra—our fastest streaming player ever, with unmatched cinematic picture and sound.

TV featuring clear picture streaming with Roku Ultra

Ultra-speedy streaming

Roku Ultra is 30% faster than any other Roku player, delivering a lightning-fast interface and apps that launch in a snap.

A family streaming a movie in their living room using a Roku Ultra

Cinematic streaming

Bring the movie theater to your living room with spectacular 4K, HDR10+, and Dolby Vision® picture plus immersive Dolby Atmos® audio.

Roku Voice Remote Pro demonstrating the backlit buttons functionality

The ultimate Roku remote

Roku Voice Remote Pro has backlit buttons, is conveniently rechargeable, has hands-free voice control, and even a lost remote finder.

A family streaming a movie using Roku Ultra

Everything you love about TV, but better

The Roku experience, America’s #1 TV streaming platform*, is made for fast, easy access to the entertainment you love with the best selection of free, live, and trending TV.

* Based on hours streamed—Hypothesis Group, Dec. 2023

Simple Setup icon

Simple setup

Just plug it in, connect to Wi-Fi®, and play your favorites on any TV.

Automatic Updates icon

Automatic updates

Get the newest apps, features, and more without even thinking about it.

Headphones with Bluetooth® icon

Bluetooth® Headphone Mode

Pair your favorite headphones directly to your Roku Ultra to crank up the volume without waking the house.

Wi-Fi connectivity icon

Connect on your terms

Experience fast, seamless streaming with Wi-Fi® 6 in any room in the house or wire up over Ethernet.

See why Roku is America’s #1 TV streaming platform*

All the top apps

A ton of free entertainment

Fast, user-friendly experience

Easily explore a world worth of TV

Learn more
*Based on hours streamed—Hypothesis Group, Dec. 2024

A perfect fit for any smart home

Works with Roku Smart Home Works with Apple Airplay Works with Apple Home Works with Amazon Alexa Works with Google Home
Roku Channel

Your home for free, live, and premium TV

Enjoy thousands of free hit movies, popular TV shows, Roku Originals, 500+ live TV channels, and more.

Explore The Roku Channel

Stream what you love

Award-winning originals. Live news & sports. Classic favorites. Kids & family entertainment. It’s all right here.

From the latest movies to original series and classic favorites, enjoy the most popular TV on demand.

Easily discover and enjoy in-season shows, live news, movies, and more for free.

Never miss the most talked-about events, award-winning shows, primetime sports, and even local news.

Listen to the music that moves you with your favorite streaming music channels.

See what's on

Product details

TV compatibility
  • HD TVs
    Up to 1080p (1920 x 1080) with up-scaling from 720p
  • 4K TVs
    Up to 2160p at 60fps (3840 x 2160) with upscaling from 720p and 1080p
  • 4K HDR TVs
    Supports Dolby Vision at 60fps, HDR10/10+ and HLG
  • (Requires TV with HDMI® input. For 4K streaming an HDMI input that supports HDCP 2.2 is required.)
Networking
  • 802.11ax dual-band MIMO Wi-Fi® 6 (2.4 GHz / 5 GHz)
  • 10/100 Base-T Ethernet
Ports
  • USB 3.0
  • HDMI 2.1b
  • Ethernet 10/100
  • Power
Audio features
  • Digital stereo over HDMI®
  • DTS Digital Surround™ pass through over HDMI
  • Dolby Atmos® decode via HDMI*
    (*Requires Dolby Atmos compatible speakers.)
Local playback via
  • USB port
Remote control
  • Roku Voice Remote Pro (2nd edition)
Power consumption
  • Approx 4.5W when streaming 4K video
Power input
  • 12V – 1.5A
USB media formats
  • Video
    H.264/AVC (.MKV, .MP4, .MOV); H.265/HEVC (.MKV, .MP4, .MOV); VP9.2 (.MKV); AV1 (.MP4, .MKV)
  • Audio
    AAC (.MKV, .MP4, .MOV); MP3 (.MP3, .MKV); WMA (.ASF, .WMA, .MKV); FLAC (.FLAC, .MKV); PCM (.WAV, .MKV, .MP4, .MOV); AC3/EAC3 (.MKV, .MP4, .MOV, .AC3); DTS (.MKV, .MP4, .MOV); ALAC (.MKV, .MP4, .MOV, .M4A); HEAAC (.MKV, .MP4, .MOV, .AAC); AC-4 with Atmos (.MKV, .MP4, .MOV, .AC4 ); DD+ (EAC3) with Atmos (.MKV, .MP4, .MOV)
  • Image
    JPG, PNG, GIF (non-animated)
Size
  • 4.9 x 5.0 x 1.0 inches
    (124.4 x 127.0 x 25.4 mm)
Weight
  • 5.9 ounces
    (167.2 g)
Compatibility
  • Bluetooth® streaming
  • Works with Roku Smart Home
  • Works with Apple AirPlay and HomeKit
  • Works with Google Home
  • Works with Alexa
What’s 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 adaptor
Model
  • 4850R

Frequently Asked Questions

What kinds of users benefit most from Roku Ultra?

Roku Ultra is ideal for viewers who want our fastest streaming performance with cinematic 4K, Dolby Vision, HDR10+ picture and Dolby Atmos sound, plus a premium backlit rechargeable Voice Remote Pro for hands‑free convenience.

Who benefits most:

  • Home theater enthusiasts: Unmatched cinematic picture (4K, HDR10+, Dolby Vision) and immersive Dolby Atmos audio for a theater‑like experience.
  • Power users & heavy streamers: Our fastest player—30% faster than any other Roku device—for snappy navigation and quick app launches.
  • Households that need reliable networking: Built‑in Wi‑Fi 6 for fast, seamless streaming across the home, plus Ethernet for wired stability when you want it.
  • Families who value convenience: Voice Remote Pro (2nd edition) with backlit buttons, rechargeable battery, hands‑free Hey Roku, lost remote finder, live TV guide button, and quick launch shortcuts.

What features are included in Roku Ultra and how does it work?

Roku Ultra is our fastest streaming player with cinematic 4K, HDR10+, Dolby Vision, and Dolby Atmos, plus a premium rechargeable Voice Remote Pro—all designed for a quick, seamless setup and a theater‑like experience on compatible TVs.

Key features:

  • Fast performance: 30% faster than any other Roku player for snappy navigation and quick app launches.
  • Picture and sound: 4K, HDR10+, Dolby Vision, and Dolby Atmos support for immersive viewing.
  • Voice Remote Pro (2nd edition): Rechargeable, backlit buttons, hands‑free “Hey Roku,” lost remote finder, live TV guide, and quick app shortcuts.
  • Networking: Built‑in Wi‑Fi 6 for fast streaming anywhere in the house, plus Ethernet for wired stability.
  • Bluetooth Headphone Mode: Pair headphones directly to Roku Ultra to crank up the volume without waking the house.
  • Ports and accessories: USB for local playback and included Premium High Speed HDMI Cable.

How it works:

  • Plug Roku Ultra into your TV with HDMI, power it on, and connect to Wi‑Fi; follow on‑screen steps to finish setup.
  • Works with any TV that has an HDMI port; 4K/HDR/Dolby Vision requires compatible TV and content, and Atmos requires compatible audio.
  • Get fun and easy TV with fast, easy access to the entertainment you love with the best selection of free, live, and trending TV.

How can the Roku Ultra replace a cable or satellite TV subscription?

Roku Ultra can supply all your TV needs by streaming live TV, news, sports, and on‑demand entertainment over the internet instead of through a cable or satellite box—all without long‑term contracts or equipment rental fees.

Key details:

  • Free live & on‑demand TV: Watch hundreds of free live TV channels, news, sports, movies, and shows on The Roku Channel and other free apps.
  • Add only what you need: Mix in subscription apps (like Netflix or cable‑replacement services with local channels, sports, and cloud DVR) instead of a big bundle.
  • Fewer fees: No monthly equipment rentals for a Roku device, and no long‑term contracts—just pay for the services you choose.
  • Works with your current TV: Plug Roku Ultra into any TV with an HDMI port, connect to internet, and start streaming; 4K/HDR/Dolby Vision require compatible TV and content.
  • Internet required: You’ll need a high‑speed internet connection (Wi‑Fi or Ethernet) for smooth streaming.

What are the differences between Roku Ultra and Roku Ultra LT?

Roku Ultra and Roku Ultra LT are both powerful 4K streaming players, but Roku Ultra adds more premium features for picture, sound, and the remote, while Roku Ultra LT is a more budget‑friendly option.

Both devices:

  • Support 4K and Dolby Vision for top‑tier picture quality
  • Offer the option to use a wired Ethernet connection

How Roku Ultra is different:

  • Adds Dolby Atmos support for immersive audio on compatible setups.
  • Includes the advanced Roku Voice Remote Pro, with backlit buttons, rechargeable battery, hands‑free voice, lost remote finder, live TV guide button, and quick launch buttons.
  • Features Wi‑Fi 6 for faster, more reliable streaming over Wi‑Fi.
  • Has a USB port for playing local media.

How Roku Ultra LT is different:

  • Designed as a more budget‑friendly option.
  • Includes an enhanced Voice Remote with wired Headphone Mode instead of the full Voice Remote Pro experience.
  • Roku Ultra LT is only sold at Walmart

Which to choose:

  • Pick Roku Ultra if you want the best overall experience (fastest performance, Dolby Atmos, Voice Remote Pro, Wi‑Fi 6, and USB for local media).
  • Pick Roku Ultra LT if you want great 4K and Dolby Vision streaming with Ethernet support at a lower price.

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Terms & conditions

*Roku is offering free USPS ground shipping on all orders made on Roku.com or a Roku device for a limited time only. Offer only valid in the United States, Puerto Rico, and U.S. Virgin Islands. Void where prohibited. Roku may change or terminate this offer at any time without notice. Orders received by 12:00 PM ET Monday-Friday will be shipped same day. Orders received between 12:01 pm ET Friday through 12:00 pm ET Monday will be shipped Mondays. Allow 1-3 days for delivery after package is shipped. All dates are estimated and exclude federal holidays.

For products purchased from the Roku.com website (www.roku.com) there is a 30-day money-back guarantee from the date your order ships and your payment method is charged. Learn more about Roku's return policy.

What you should know

†Based on hours streamed—Hypothesis Group

A paid subscription or other payments may be required to access some app content. Apps are subject to change and vary by country. 4K on Roku players requires a compatible 4K TV with HDMI HDCP 2.2 port, and High Speed HDMI Cable. 4K on Roku players and Roku TV requires 4K content. 4K content may be limited or unavailable and may require additional payment to access. Check with the 4K channel provider for specific bandwidth requirements to access its 4K content.

HDR on Roku players requires a compatible HDR TV with HDMI HDCP 2.2 port, and High Speed HDMI Cable. HDR on Roku players and Roku TV requires HDR content. HDR content may be limited or unavailable and may require additional payment to access. Check with the HDR app provider for specific bandwidth requirements to access its HDR content.

Dolby Vision picture quality requires compatible content and TV. Dolby Atmos requires compatible content and sound system. Dolby, Dolby Vision, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works.

Copyright © 2012–2022 Dolby Laboratories. All rights reserved.

The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.

The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.

Compatible with iOS® and Android™ devices. Limitations apply to the Roku mobile app for Windows devices. Please see support.roku.com for device compatibility information.

Apple, AirPlay, HomeKit, and Siri are trademarks of Apple Inc., registered in the U.S. and other countries and regions. To see a full list of compatible Roku devices, visit support.roku.com for more info. Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Alexa enabled device is required to work with Alexa. Google and Google Home are trademarks of Google LLC. Google Assistant-enabled device required. Third party features and services may be subject to change or removal without notice.

Remote app pre-set shortcut buttons may vary. Remote TV power and volume buttons work with most TVs.

Reprinted with permission. © 2025 Ziff Davis, LLC. All Rights Reserved.