You—and your home—deserve the best. With 40X the Power-Lifting Suction, our most powerful cleaning system, and advanced technologies, the s9+ cleans thoroughly—even into corners and along edges. It empties itself into the Clean Base® Automatic Dirt Disposal that holds months of debris. Its learning never stops, as it offers up personalized cleaning recommendations that work around your life, pollen seasons, and peak pet-shedding times so that it’s always one step ahead of the mess. (compared to the Roomba® 600 series cleaning system).