Fire TV Stick 4K supports external USB drives and USB
The Fire TV Stick 4K doesn't officially support connecting anything to it except 's Fire TV Ethernet Adapter, but, using an inexpensive OTG cable it's possible to use USB peripherals, such as keyboards and wired gamepads, as well as external USB drives.
Fire TV Stick 4K supports external USB drives and USB peripherals via an OTG cable
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