Anandtech published HP z27x
A quote from the article:
The HP z27x is loaded with features. Beyond the usual features like a USB hub and multiple inputs it offers multiple color space support for AdobeRGB, DCI P3, and even Rec. 2020. It goes well beyond this by offering the ability to self-calibrate any of the presets to your own requirements and an Ethernet jack for network management. Read on for our review of one of the most advanced displays around.HP z27x Review @ Anandtech