Mattresses & Bedding
Free Shipping on Thousands of Products
Award-Winning Customer Service

Roku Ultra Streaming Media Player - 4640R

Abt Model: 4640R | UPC Code: 829610001104
Roku - 4640R - Streaming Digital Media Players
Roll over image to zoom in
4K Resolution With HDR/ Quad-Core Processor/ Stream Over 350,000 Shows And Movies/ Lost Remote Finder/ 802.11ac MIMO Dual-Band Wireless/ Dolby Audio Over HDMI And Optical/ Night Listening Mode/ microSD Card Slot/ USB Port/ Up-Scaling 720p/1080p To 4K 60fps Ultra HD On 4K UHD TVs/ IR Receiver/ Black Finish
In Stock (details)
Your Shipping Zip Code: 20149 (change)

Estimated Delivery Date: 
Oct 28th - Oct 31st *

When you order in the next 12 hours, 10 mins
Free Shipping Details (details)

Product Questions - Ask

Average Customer Reviews

Product Details

Roku Ultra Streaming Media Player - 4640R


  • Powerful Quad-Core Processor
    With a fast quad-core processor and 802.11ac dual-band wireless, Roku Ultra gets you to your favorite shows fast, with smooth and responsive navigation and channels that launch quickly
  • 4K Brilliant HD & 4K Picture Quality
    Roku Ultra delivers brilliant picture quality to your 4K UHD or 1080p HD TV with crisp, life-like images that practically jump off the screen. Get the visual rush of 4K Ultra HD streaming when using a compatible 4K TV & content. The Roku 4K Spotlight channel helps to find 4K content. Check with the channel partner for bandwidth requirements
  • Vibrant HDR Color
    Get rich, realistic color detail—even in the darkest shadows and brightest highlights—when you stream HDR content on a compatible HDR TV. HDR displays a wider range of colors, brighter whites, and deeper blacks to create more natural, beautiful, and true-to-life imagery. The Roku 4K Spotlight channel helps to find HDR content. Check with the channel partner for bandwidth requirements
  • Lost Remote Finder
    Gremlin hid your remote? Just press the button on your Roku Ultra and your remote will tell you where it is
  • Fully Loaded
    Get incredible features like an enhanced point anywhere remote with voice search, headphones for private listening, and gaming buttons. With voice search, just tell the enhanced remote what you're looking for and get fast unbiased results by title, actor, or director
  • What makes every Roku® streaming player great
    • Amazing content. Endless choice.
      Stream just about anything – movies, TV shows, live sports, news, and music. With 350,000+ movies and TV episodes to choose from, entertainment is on your schedule. Find popular choices that you can rent, buy, subscribe to or watch for free
    • Streaming made simple
      Roku players make streaming a snap. Just connect to your wireless network and your TV. Create a Roku account to easily sign up for free trials, subscribe, rent or buy. An intuitive interface, a simple remote, and a convenient mobile app for iOS® and Android™ make it easy to find what you want to watch
    • Unbiased search across top channels
      From the latest movies and shows to cult classics, find where your favorites are free or cheapest to watch with unbiased search across top channels. Search through a wide selection of paid or free channels — by actor, title, or director — using your Roku remote, Roku mobile app, or voice search
    • Follow your favorites
      With Roku Feed™, you can follow movies, TV shows, actors, and directors and get automatic updates when new content is ready to stream or when the price drops
    • Take it on the go
      Move your Roku player to different TVs in your home or take it to a friend's house. Hotel & Dorm Connect* even lets you stream on the go, in your dorm or hotel room. Just bring your Roku remote, power adapter, and your smartphone, tablet, or laptop with a web browser to connect your activated player, sign in, and start streaming
  • Mobile experience
    • The Roku mobile app
      Turn your smartphone or tablet into a convenient streaming companion. Use your mobile device as a fully functional remote control and so much more!
    • Search
      Searching on your phone has never been easier. Use your voice to say what you're looking for or use your mobile keyboard to type. Get fast and comprehensive results by title, actor, or director. And quickly start movies or shows on your TV from the app
    • Private listening
      Audio is key to your entertainment experience, but you can't always turn the volume up high. This feature lets you listen as loud as you like while keeping things quiet for everyone around you. Use your smartphone or tablet and the Roku mobile app to enjoy private listening anytime via your headphones
    • Casting
      The Play On Roku feature makes it easy to cast photos, videos, and music from your compatible smartphone or tablet right to your TV. Enjoy fantastic slideshows and movies starring you and your friends and loved ones



  • 802.11ac MIMO dual-band wireless
  • 10/100 Base-T Ethernet

Video Outputs

  • Up to 1080p HD (1920 x 1080) on HD TVs
  • Up to 4K/60 Ultra HD (3840 × 2160) on 4K UHD TVs

Video Up-conversion

  • Up-scaling 720p to 1080p on HD TVs
  • Up-scaling 720p and 1080p to 4K 60fps Ultra HD on 4K UHD TVs


  • Dolby Audio over HDMI® and optical
  • Night listening mode

Storage Expansion

  • microSD card slot for additional channel storage
  • USB port for local playback

Remote Control

  • Advanced point-anywhere remote with voice search, headphone jack, and gaming buttons
  • Speaker for lost remote finder alerts
  • Player includes IR receiver, compatible with various universal remotes

Power Consumption

  • <4.5W (typical) when streaming

Power Input

  • 12V – 1A power adapter

USB Media Formats

  • Video: H.264/AVC (.MKV, .MP4, .MOV), on Roku 4 only: H.265/HEVC (.MKV, .MP4, .MOV); VP9 (.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)
  • Image: JPG, PNG, GIF (non-animated)

What's In The Box:

  • Roku Ultra streaming player
  • Advanced remote
  • Headphones for private listening
  • Two AA batteries
  • Power adapter & USB cable

Approximate Dimensions:

  • Height: 0.85"
  • Width: 4.9"
  • Depth: 4.9"

Approximate Weight:

  • Unit: 0.5 lbs
  • Shipping: 1 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): One Year Parts and Labor
Need Accessories?
HDMI Cables HDMI Cables
Experience a true digital quality transmission.
Surge Protectors Surge Protectors
Protect your investment by using one of our guaranteed reliable surge protectors.
Digital Optical Cables Digital Optical Cables
Get undistorted, smooth, clear, and dynamic performance.
More reasons to buy the Roku 4640R from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Roku 4640R is Brand New.
  • The Roku 4640R Ships in a Factory Sealed Box.
  • Abt ships this product for free!


Surge Protectors
Surge Protectors
Protect your investment by using one of our guaranteed reliable surge protectors.
Panamax 2-Outlet Grey Multi-Use Surge Protector
In Stock
$ 39.95
Panamax Gray Home Theater Power Surge Protector
In Stock
$ 89.95
Panamax Powermax 8 Series 8 Outlet Surge Protector
In Stock
$ 49.95
Digital Optical Cables
Digital Optical Cables
Get undistorted, smooth, clear, and dynamic performance.
AudioQuest Pearl Series 1.5 Meter (5 Feet) Digital Optical Cable
In Stock
$ 28.75
AudioQuest Pearl Series 3 Meter (9.9 Feet) Digital Optical Cable
In Stock
$ 38.75
HDMI Cables
HDMI Cables
Experience a true digital quality transmission.
AudioQuest Pearl 1M HDMI Cable
In Stock
$ 28.75
AudioQuest Pearl 2M HDMI Cable
In Stock
$ 38.75
AudioQuest Indulgence Series Pearl 3 Meter (9.8 Feet) HDMI Cable
In Stock
$ 48.75
Check here if you only want to add the selected accessories
to the cart and click the "add to cart" button for this item.


by PowerReviews
Roku Ultra Streaming Media Player

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

Displaying review 1

Back to top

(16 of 18 customers found this review helpful)


Very happy! Much better than the Roku 4!!!


from Huntington Beach, CA, United States

Comments about Roku Ultra Streaming Media Player:

I am very happy with the Ultra so far! This is what the Roku 4 should have been. Just a few reasons: 1. Speed. The Ultra does not lag like the Roku 4 does. The menus are quick and responsive. Even loading and buffering times seem to be reduced! 2. The Ultra seems to handle high-bitrate video streams much better than The Roku 4. Dropped frames, lip sync problems, and other annoyances all seem gone with the Ultra. 3. Up-conversion from 2K to 4K seems to be much better. Example: Programming on HBO GO looks like it is being streamed in native 4k with the Ultra, even though it is not. This seems to apply to other 2K sources streamed through the Ultra as well. Of course, I should also mention that programming being streamed in native 4K (Netflix/Amazon/Vudu/etc.) looks amazing too! 4. The Ultra isn't constantly losing connection with the remote control. This was a big problem with the Roku 4. The 4 kept losing the remote connection at least once a day until the whole unit was rebooted. This happened on BOTH Roku 4 units I have in two different locations. So far, no problems with remote control connectivity with the Ultra! My *ONLY* complaint so far would be the moving of the OK button to the up/down/left/right buttons and putting the "Search" button where the OK button had been on previous remotes. I am finding myself (because I am used to the old remote) pressing the "search" button instead of "OK" button, causing it to kick me out of whatever app I was in and/or watching. This will take some getting used to, but It is not a deal breaker.

Displaying review 1

Back to top

Roku Ultra Streaming Media Player

Roku Ultra Streaming Media Player

In Stock

Call us
live chat
Chat Now