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Need help? Contact the Chromecast Support Team for assistance.

Chromecast specifications

What makes Chromecast tick? Here are the specifications for Chromecast.

First, choose the Chromecast that looks like yours below:
Chromecast (1st gen)

Chromecast (1st gen) specifications:

  • Output: HDMI, CEC (Consumer Electronics Control) compatible
  • Max. Output Video Resolution: 1080p
  • Dimensions: 72(L) x 35(W) x 12(H) mm
  • Weight: 34g
  • Wireless Standards: 802.11b/g/n Wi-Fi (802.11n 2.4GHz only)
  • Wireless Security: WEP, WPA/WPA2
  • Power: USB (USB cable and power adapter included)
  • Plugs into TV directly and powered from TVs USB port or wall outlet
Chromecast

Chromecast specs:

  • Output: HDMI, CEC (Consumer Electronics Control) compatible
  • Max. Output Video Resolution: 1080p
  • Dimensions:
    • Device: 51.9 x 51.9 x 13.49 mm (not including cables or accessories)
    • Package: 124.4 mm x 42.85 mm x 124 mm
    • Power cable: 1.75 m (69 in)
  • Ports and connectors:
    • HDMI
    • Micro-USB
  • Color: Black, Coral, Lemonade
  • Weight: 39.1g (0.086 lbs)
  • Wireless Standards: 802.11 b/g/n/ac Wi-Fi (2.4GHz/5GHz)
  • Wireless Security: WEP, WPA/WPA2
  • Power: 5V, 1A power supply
Chromecast Ultra

Chromecast Ultra specs:

  • Dimensions:
    • Device: 2.29 x 2.29 x 0.53 in (58.20 x 58.20 x 13.70 mm) - not including cable and accessories
    • US / EU / JP Outer Dimensions: 121.5mm x 126.5mm x 66.5mm
    • UK / IE / AU / NZ Outer Dimensions: 121.5mm x 126.5mm x 80.2mm
    • Power cable: 2m (78.8 in)
  • Resolution:
    • Supports all resolutions up to 4K Ultra HD and high dynamic range (HDR) for superior picture quality
      • Note: To enjoy 4K Ultra HD and HDR picture, you need a 4K TV, 4K content, and a high-speed internet connection. If 4K is unavailable, your content will still be optimized for your TV’s maximum resolution
  • Wireless Standards: 802.11ac Wi-Fi (2.4GHz/5GHz) 1x2 MISO Wi-Fi for high-performance streaming
  • Power: Power supply required and included in the Chromecast Ultra box
  • Ports and connectors:
    • HDMI plugs directly into the TV
    • Micro-USB for power and data
    • Ethernet port on the power adapter for hard-to-reach Wi-Fi spots in your home
  • Color: Black
  • Supported Operating Systems:
    • Android 4.1 and higher
    • iOS 8.0 and higher
    • Mac OS X 10.9 and higher
    • Windows 7 and higher


To learn more about supported Operating Systems, read Minimum Operating System (OS) requirements for the Google Home app.

Over the Air Updates: When available, Chromecast Ultra will automatically update to the latest and greatest Chromecast software version.

Open Source Code

Open Source Licenses

Other Licenses

To learn more about supported Operating Systems, read Minimum Operating System (OS) requirements for the Google Home app.

Over the Air Updates: When available, Chromecast will automatically update to the latest and greatest Chromecast software version.

Open Source Code

Open Source Licenses

Other Licenses

Elise is a Chromecast expert and author of this help page. Leave her feedback below about the page.

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