http://newatlas.com/sandisk-microsd-400-gb/51146/ >Around two years after releasing its 200 GB microSD card, the world's highest-capacity at the time, SanDisk has today doubled that figure to unveil a whopping 400 GB version, again the world's highest. >SanDisk is working hard to keep pace with the demands of today's data-heavy mobile user. The 200 GB microSD card came just one year after the company turned up to Mobile World Congress in 2014 with a record-breaking 128 GB microSDXC card.