UConn's Hartford regional campus is an urban satellite trying to be more than a commuter school and only half-succeeding. You'll find yourself on a dedicated campus, not sharing facilities with the flagship, but that separation cuts both ways—smaller, more connected community, but fewer resources and less visibility.
Hartford students tend to be working adults, first-generation, and regionally focused. The vibe is earnest and practical. You won't find much Greek life or dorm culture because most people commute or live off-campus. Classes are smaller than Storrs, which can be an advantage or a disappointment depending on whether you want personalized attention or world-class research partnerships.
Hartford makes sense if you're rooted in Connecticut, can't afford or relocate for Storrs, or want the UConn degree without the flagship tax. Transfer rates to Storrs exist but aren't smooth—plan to stay put.