Klava top. The next day after rebooting the computer, it stopped giving a signal to the monitor. But this is my curse - to catch bugs and breakdowns from the slightest interference in the system manager :( Its pros: Excellent materials, pleasant key travel, buttons have very little backlash, high-quality legs, compact form factor, backlight, price if you take about 3k or less, the noise from pressing depends on the situation, either from mechanics, or from a membrane, but on average it is quieter than the above. Has some cons: The backlight strip on the right is very bright at 3 power, so I use 2