There's technically a cheaper 4K monitor from HP in the form of the 27f. However, this monitor doesn't even appear on its official website, which means that the HP 27f is only available from ...

With the HP Z27k G3 we've got a 4K monitor that could be looking to earn a spot in both our best 4K monitor and best USB-C monitor lists – it's versatile, offers some premium specs, and comes ...