Before that, I sat on g512 carbon (GX Blue), in comparison there is a very big difference. GX Brown is an order of magnitude quieter, but the key travel is tighter. I'm not saying it's bad, just different. In general, I like the clave, but the solution with glossy ends does not look very practical; as well as more chopped functionality of the backlight in the proprietary software (again, in comparison with the g512).
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