Apple TV 4K Teardown Reveals 3GB of RAM and Larger Venting System With Replaceable Fan
iFixit has shared an Apple TV 4K teardown, providing a closer look at the device's internal design and components.
![ifixit apple tv 4k teardown](https://cdn.statically.io/img/images.macrumors.com/t/nFRGOjdJchkgs6cRQvynsS0C8aw=/400x0/article-new/2017/09/ifixit-apple-tv-4k-teardown-800x608.jpg?lossy)
We already know the Apple TV 4K is equipped with Apple's 64-bit A10X Fusion chip, and now the teardown confirms the device has a total of 3GB of LPDDR4 RAM supplied by SK Hynix. That's up from 2GB RAM in the previous Apple TV.
![apple tv 4k logic board](https://cdn.statically.io/img/images.macrumors.com/t/VU6YQ29tE9bkM917hxH0TY6pXM8=/400x0/article-new/2017/09/apple-tv-4k-logic-board.jpg?lossy)
1GB + 2GB of LPDDR4 RAM outlined in yellow for a total of 3GB of RAM
The new power supply is rated for 12V at 1.083A, a modest increase over the 12V at 0.917A power supply in the previous Apple TV.
According to the teardown, Apple merged the new fan with the heat sink/EMI shield assembly from the fourth-generation Apple TV to create a larger thermal assembly for cooling and ventilation.
![apple tv 4k thermal](https://cdn.statically.io/img/images.macrumors.com/t/1HfS8-El88EK8NBhcpEAAJ2lFNc=/400x0/article-new/2017/09/apple-tv-4k-thermal.jpg?lossy)
iFixit said the bottom of the unit has been redesigned with a total of eight exhaust ports and a new, replaceable fan driven by a Nidec brushless motor.
Beyond the return of a Gigabit Ethernet port and the removal of the USB-C diagnostic port, which we learned about before the teardown, the Apple TV 4K's design is largely the same as the previous Apple TV.
![no usb c port on apple tv 4k](https://cdn.statically.io/img/images.macrumors.com/t/URlWFvXP9YpYLSitpFSMvVZ3Xa0=/400x0/article-new/2017/09/no-usb-c-port-on-apple-tv-4k.jpg?lossy)
Apple TV 4K has no USB-C port
iFixit gave the Apple TV 4K a repairability score of 8 out of a possible 10 points. The device is easy to open and has modular components, but they're soldered to the logic board, so board-level soldering or full board replacements are required.
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