The good old mechanical portable hard drive lives on, but for how long?

Need portable storage that can survive a wilderness trek...or just the worst commute ever? Here's what to look for, plus reviews of the best tough flash and platter drives we've tested. Since 2004, I ...

Editors' note: This post was originally published on May 10, 2016 and is periodically updated. The cloud is great. But if you need a serious amount of storage, online backup is never quite enough.