Sony has been pushing the envelope on imaging technology and much of that push revolves around 4K. All that resolution and data is going to need some fast storage so the company has created just that, but not only is it fast, it's the fastest in the world. Their new SF-G SD cards deliver 299MB/s write speeds and read speeds of 300MB/s, which is what you'll need when you need to quickly access your ultra high-res footage.
Sandisk announces the world's biggest microSD card
The 400GB card is a must-have for Android owners.