Ryan Norbauer is well known in the keyboard community for his aftermarket housings, but the Seneca is his first ready-to-type board. Topre switches Topre switches — most famously found in the Happy Hacking Keyboard — have a rubber dome under each key, instead of a physical switch. And while metal cases are common in enthusiast mechanical keyboards, Topre keyboards only come in plastic. But Topre boards have a dedicated fan base because the domes give Topre switches a snappy tactility you can’t otherwise replicate. They have the high tactile bump and smooth downstroke of Topre switches, with a deeper sound.