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.

This Ethernet Adapter w/ USB Hub for the Fire TV 3 and Fire TV Stick 2 is cheaper and better than 's official adapter

Fire TV 3 supports USB Peripherals via OTG Cable — Including USB Drives, Keyboards, Mice, FLIRC, Ethernet, Hubs, etc…

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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 3 supports USB Peripherals via OTG Cable — Including USB Drives, Keyboards, Mice, FLIRC, Ethernet, Hubs, etc…

Yonisun Micro USB Host OTG Cable with USB Power for Samsung/HTC/Nexus/Lg Phones and Tablets : Electronics

Flirc Fire TV Edition - Flirc

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

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

DSYJ Micro USB Host OTG Cable with Micro USB Power for Samsung S7 Edge, S6 Edge, S5, S4 & Nexus 10 9 7 4 Player + All Others 2 Pack : Cell Phones & Accessories

Yonisun Micro USB Host OTG Cable with USB Power for Samsung/HTC/Nexus/Lg Phones and Tablets : Electronics

Control your Fire TV with almost any remote. Compatible with Harmony Flirc’s easy-to-use software walks you through the entire pairing process and works on Windows, OSX and Linux Simple connection. Plug directly between your Fire TV and the USB power cord As fully featured as the original Flirc USB in an all new body Flirc Fire TV Edition is a universal remote control receiver. It allows you to pair any remote control with your computer or media center.

Flirc USB Fire TV Edition

This Ethernet Adapter w/ USB Hub for the Fire TV 3 and Fire TV Stick 2 is cheaper and better than 's official adapter

Chromecast Ethernet Adapter, Micro USB OTG Hub to Attach Thumb Drive : Electronics