Wi-Fi 6 is a newer wireless standard that delivers a huge performance upgrade over Wi-Fi 5. In our testing, Wi-Fi 6 routers are often two to three times quicker than similarly priced Wi-Fi 5 routers.  You will only see Wi-Fi 6 performance if you have both a router and a device that supports Wi-Fi 6, but most new smartphones, laptops, and game consoles (like the Xbox Series X and PlayStation 5) support Wi-Fi 6. Wi-Fi 6 routers still support older Wi-Fi standards, so they remain compatible with older wireless devices.  I generally recommend Wi-Fi 6 routers which, at this point, are the standard. This is especially true when buying a standalone router instead of a mesh router: every standard (non-mesh) router I recommend supports Wi-Fi 6.