Do all Dell Precision 5510 models support a 100%AdobeRGB screen？

I means, I need a 100%AdobeRGB-screen for work and I want to buy a Precision 5510. The describe is a bit confusing. Is only 4k model supports 100%AdobeRGB? Or all models support 100%AdobeRGB?

*The review from NOTEBOOKCHECK only mentioned the 4k edition.