Complex sentence: Reportedly to control costs, the Wii U will also use a unique disc format developed and supplied by Panasonic, with capacities of 25 GB (single layer), 50 GB (double layer) and 75 GB (triple layer).
Split into simpler sentences: Reportedly to control costs, the Wii U will also use a unique disc format developed and supplied by Panasonic. With capacities of 25 GB (single layer), 50 GB (double layer) and 75 GB (triple layer).