Credit: AmazonTL;DRAmazon’s new Ethernet adapter officially supports Gigabit speeds.While the adapter is “Gigabit,” the new Fire TV Stick’s USB 2.0 port limits real-world speeds to around 300Mbps to 480Mbps.Amazon has finally updated its Fire TV Stick, moving away from the old micro-USB port. The new second-generation Fire TV Stick HD now uses a USB-C port, which sounds like good news. But in classic Amazon fashion, there’s a catch that might disappoint anyone hoping for faster speeds.You see, Amazon quietly released a matching USB-C Ethernet adapter alongside the new stick. As noted by AFTVnews, if you check the details, you’ll notice it says “up to 480mbps.”