While both are used for organizing household items, a cupboard typically refers to enclosed kitchen or dining storage with shelving inside. A storage cabinet is a more flexible, general-purpose solution that works in a variety of rooms. You might use one to store linens in a hallway, electronics in the living room, or dishes in the dining space. For a display-worthy alternative, explore china cabinets, which offer a more formal option for storing glassware and serveware.