Sub-Zero 661/O is a side-by-side refrigerator/freezer with a 12.5 cu ft refrigerator capacity and 8.8 cu ft freezer capacity. It features a dual refrigeration system that assures superior food preservation and no odor transfer. The refrigerator has 4 adjustable glass shelves, 1 stationary glass shelf, a high humidity compartment, 1 storage drawer, an adjustable roll-out deli basket, 3 adjustable door shelves, and an adjustable dairy compartment. The freezer has an automatic ice maker, 2 adjustable wire shelves, 1 stationary solid shelf, 4 storage drawers, and 5 adjustable door shelves.