Everything you can do with the Fire TV Cube's Micro USB port — Ethernet, App Storage, External Drives, Peripherals, FLIRC, OTG, and more

Something that greatly differentiates the Fire TV Cube from the Fire TV 3 is the Cube's Micro USB port and the official support for expandability that comes with it.

AFTVnews, Fire TV & Fire TV Stick News, Guides, and Deals

Fire TV Stick 2 supports USB Storage, Keyboards/Mice, and Ethernet Adapters via USB OTG without Root

Everything You Can Do With The Fire TV Cube's Micro, 55% OFF

OTG Cable to Ethernet Adapter for Fire TV Cube, Fire TV Stick Lite 2020, Echo Show (2nd Gen), Micro USB HUB with Power : Electronics

Fire TV stick accessories - RJ45 LAN port to add wired internet and USB data hub to add external memory for Fire TV Stick Lite, 4K Max, TV Cube

USB OTG Cable Ethernet Adapter for Fire Stick 4K TV Cube Max Lite, Alexa Show 2nd Gen, Show 5 and Show 8

4 in 1 Ethernet Adapter and 3 Ports USB OTG Hub for Fire TV Stick 4K/Chromecast/Google Home Mini/Raspberry Pi Zero and Other Streaming TV Sticks,Micro USB OTG Cable HUB with Powered

Add wired internet and extra storage to TV streaming device ( TV stick 3rd gen, TV stick 4K Max 2021, Fire TV Stick 2nd generation, Fire TV 4K, Fire

OTG Cable for Fire TV Stick 4K Lite Max Cube, USB Ethernet Adapter with Hub to add Storage/Keyboard/Bluetooth

Fire TV Cube has a Micro USB port for an Ethernet Adapter and an Infrared port

OTG Cable to Ethernet Adapter for Fire TV Cube, Fire TV Stick Lite 2020, Echo Show (2nd Gen), Micro USB HUB with Power : Electronics

Ethernet Adapter for fire Stick TV Cube, Google Chromecast Ultra, Tivo Stream 4K - Micro USB OTG Hub with Power Cable : Electronics