Roku 4640R

Ultra Streaming Player

  • Model: 4640R
  • Sku: 4640R
  • In-Store Only

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  • Access A World Of Entertainment
  • 4K Picture Quality And HDR
  • Compatible With Your Mobile Devices
  • Private Listening Via Remote Or Mobile
  • High-Speed Wireless Connectivity
  • Compatible With Most TVs
Your Price $129.99
  • Free Shipping
  • Manufacturer's Warranty 12 Months Parts
    12 Months Labor
    Carry In Service
Roku - Ultra Streaming Player + Belkin - 3' High Speed HDMI Cable

Frequently Bought Together

Roku - Ultra Streaming Player and Belkin - 3' High Speed HDMI Cable

Buy both for just $144.87

Product Overview↑ Back to Top

Access over 3500 channels of entertainment with the Roku 4640R Ultra Streaming Player. Once plugged into a display's HDMI port, the Roku Ultra will connect to the Internet via its dual-band 802.11ac Wi-Fi or Ethernet connectivity and is controllable via the included remote control or an Android or iOS smart device app. It outputs to one HDMI port at up to 4K resolution with HDR on compatible displays for an enhanced viewing experience. The included remote control features service-specific shortcut buttons so you can find your service of choice in an instant and Wi-Fi connectivity to the Ultra so you don't need to point it directly at it.

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Technical Specs ↑ Back to Top

Internet Connection Ethernet / Wireless Built-In
Internet Browser Yes
File Formats (Video) MKV
File Formats (Audio) AAC
File Formats (Photo) JPEG
Internet Video Vudu
Remote Control Yes


Height 2.5 in
Width 7.5 in
Weight 1 lbs 8.8 oz
Depth 7.5 in

Package Contents

  • 2 AA Batteries
  • Owner's Manual
  • Point-Anywhere Wi-Fi Remote Control
  • Power Adapter
  • Premium In-Ear Headphones
  • Roku Ultra Streaming Media Player
  • USB Cable

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Ratings & Reviews ↑ Back to Top


by PowerReviews
RokuUltra Streaming Player

(based on 441 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars




of respondents would recommend this to a friend.

Reviewed by 441 customers

Displaying reviews 1-10

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So simple; just turn on and click!

By craftzman

from Mountain View, CA, United States

Comments about Roku Ultra Streaming Player:

Previously used XBox to get into streaming video and was cumbersome, but with Roku it's as easy as clicking a couple of buttons


nice upgrade

By timdatfoh

from Columbus, OH, United States

Comments about Roku Ultra Streaming Player:

I bought a Roku 4 that is great so it was a no brainer to go for the Ultra to replace an older Roku 2 in the home theater. Better everything and a great early Roku 4 owner deal too!


Overzealous HDCP from Roku

By gblandon

from Raleigh, NC

Comments about Roku Ultra Streaming Player:

Roku Ultra implements such over-the-top HDCP protections that despite having two 2016 Sony TVs, an HDCP 2.2 compliant HDMI splitter, and all 18Gbps HDMI cables approved for 4K and HDR, I still get HDCP error messages from Roku. Will be taking it back.


Nice Interface, Useless with large USB Hard Drive

By JohnC

from New York, NY, United States

Comments about Roku Ultra Streaming Player:

The actual Roku interface is quite good and speed seemed pretty good as well. But I purchased this unit to replace my WDTV media server whose interface I did not care for. Only problem is that we have all our family videos on a 3 Tb USB drive and the ROKU Ultra only recognizes drives up to 2 Tb!!! I tried to repartition the 3 Tb drive into a smaller drive (first 2Tb then 1 Tb) but it still does not recognize it! ROKU should state this limitation in it's product description!


Just got the Ultra and hello GREEN SCREEN

By JohnS

from Rocket City

Comments about Roku Ultra Streaming Player:

New out of the box and stuck at a GREEN SCREEN, not the way I was hoping this would start after spend the extra $$ for the Ultra. Maybe I should go back to by Roku2.


works perfectly, easy to ...

By Robert16

from Arizona, United States

Comments about Roku Ultra Streaming Player:

works perfectly, easy to install, intuitive operation.


Good Option

By industrialathlete67

from Iowa, United States

Comments about Roku Ultra Streaming Player:

I purchased this to have a additional streaming option,besides a game counsel. It does appear to have 'slowed'up compared to when I first 'hooked' it up.Still faster load up then a gaming device that is several years old!Will continue to recommend!!

(3 of 3 customers found this review helpful)


Audio sync bug

By Roku 4

from Los Angeles, CA, United States

Comments about Roku Ultra Streaming Player:

Just purchased the new ultra to replace my Roku 4, experienced audio sync defect. The audio flutters until Night option is selected. ultra connected to Sony STR 5000es and X850b 4K tv


Overall Excellence

By RoyM4

from Somerville, NJ, United States

Comments about Roku Ultra Streaming Player:

I have owned this for about a month now and it provided me with so much entertainment. I love Roku and the Ultra was my best purchase yet. I even bought another one for a family memeber as a gift. I would definitely recommend anyone to at least give it a try and you will be instantly hooked. Also, for those HDR lovers, you will not be disappointed.


I love our Roku Ultra

By Denise

from San Rafael, CA, United States

Comments about Roku Ultra Streaming Player:

Our Roku Ultra is fantastic. It gives us easy access to our streaming services. Set up was a snap. Can't wait to get another for the other TVs.

Displaying reviews 1-10

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