The company says that the high 256GB capacity will make it possible to store weighty content like 4K movies and also transfer them faster thanks to the USB 3.0 interface. We're not sure if you've downloaded too many 360-degree movies lately, but those are not exactly lightweight, either -- and Samsung, for one, has made a bit bet on virtual reality. The company has started production of the chips and will ramp it up in line with global demand.