Operating with a voltage of 1.35V, according to Samsung tests it provides an average 70% power savings (per unit density) over a 50nm class equivalent, 1.5V DDR3-based RDIMM.
As we learned when the console was initially announced, the Wii U's "proprietary high-density optical discs" hold up to 25GB of data -- equivalent with that of Sony's single-layer Blu-ray format on the PlayStation 3, and much larger than the Xbox 360's dual-layer DVD format.
They outfitted three carrier pigeons with teensy, high-density flash memory cards storing a total of 4 gigabytes--the equivalent of 1, 000 songs on an iPod mini--and cast them on a 62-mile journey.