I found this thread when I was searching for a wifi dongle that would work with ChromeOS that I installed on a desktop. I found that this one for the Raspberry Pi works. It's not the most recent tech, but it should get you connected. https://www.amazon.com/CanaKit-Raspberry-Wireless-Adapter-Dongle/dp/B00GFAN498/ref=sr_1_4?crid=1SS...-4