As of March 2015, Panasonic's NN-SN661S Genius model has 1,200 watts of power and a depth of 15.94 inches, a width of 20.34 inches and a height of 11.88 inches. Panasonic's 1,200-watt NN-SD681S model has the same dimensions.
Both of these microwaves are 1.2-cubic-foot models and come in stainless steel. They also both come with 13.5-inch turntables. Each model is moderately highly rated: the NN-SN661S receives an average rating of four out of five stars from Amazon reviewers, while the NN-SD681S receives 3.9.
Both models use inverter technology, which provides even cooking. Turbo defrost also allows for rapid defrosting. Both models feature One-Touch Genius Sensor Cook and Reheat for automatic cooking settings.