One big unadvertised but significant difference between the Fire TV Stick 4K Max and the original Fire TV Stick 4K is how each one handles external USB storage. With the original Firestick 4K, you can connect a drive using an OTG cable and access files on that drive through 3rd-party apps, but the Fire TV operating system ignores the drive entirely. With the new Fire TV Stick 4K Max, external drives are fully supported, meaning, you can mount, format, and eject the drives. Most importantly, you can also use external drives to expand the device’s internal storage and move apps to the external drive. Read more ›