The debate over whether microSD card slots are essential or not still goes on for some people and OEMs. But considering Apple refuses to let go of its 16 GB baseline models, for some iPhone users, additional storage is not just a luxury but a necessity. Being an iPhone, of course you're normally out of luck. Unless you get one of SanDisk's new iXpand Memory Cases which, as you might have guessed, lets you have the semblance of external storage on your iPhone 6 or 6s. Plus it protects your premium looking and priced smartphone, too!