Technical specs and dimensions for chromecast ultra, includes what's in the box, wireless streaming frequencies and more.. Google stated that the chromecast ultra loads video 1.8 times faster than previous models. unlike previous models that could be powered through a usb port, the chromecast ultra requires the use of the included power supply for connecting to a wall outlet.. Power adapter cord for chromecast/ultra/audio and google chromecast hdmi streaming media player. by smays. 3.7 out of 5 stars 18. $9.99 $ 9. 99. get it as soon as wed, mar 6. free shipping on orders over $25 shipped by amazon. mission usb power cable for chromecast and chromecast ultra (chromecast not included) by mission cables. 3.4 out of 5.
For most chromecasts, google would prefer you use the included power adapter. but, you're right, a phone-style micro-usb charger will also work just fine (i use them with mine all the time). i've even powered my chromecast audio using the usb power-bank port on a portable speaker and gone completely wireless.. Use any other power source and the chromecast ultra will complain about the non-standard power supply, restricting you to 1080p. google doesn’t explain why, but it makes sense that 4k would. Micro-usb power. color. black. audio: while chromecast ultra will work on any hdtv with an hdmi port, it requires a 4k-compatible hdtv and a broadband internet connection to stream content in.