The Intel product lines going iX-YZ00(x) where X=Product Line, Y= Generation, Z = Spec, and (x) is present for chips that can be overclocked. So yours is a top product line 7th gen unlocked chip.
Thank you for the explanation! I completely lost track of Intel processor branding after the "Core"/"Core 2"/"Core 2 Duo" era, and these model names have been a complete mystery.