Before you leave work, you need to back up your

Before you leave work, you need to back up your computer. You push a button, and 5 minutes later, while you're still packing up, your system has dumped 150GB of data onto an encrypted 512GB superfast solid-state drive, which you eject to take with you for offsite backup. On your way home, you stop at a movie kiosk outside a fast-food restaurant and buy a feature-length 3D video download on sale. You plug in your drive, the kiosk reads your credentials, and while you watch a 90-second preview of coming attractions, the 30GB video transfers onto your SSD. You pull out the drive and head home.

USB may be one of the least-sexy technologies built into present-day computers and mobile devices, but speed it up tenfold, and it begins to sizzle. Cut most of the other cables to your computer, and the standard ignites. Bring in the potential of uncompressed video transfer, and you have a raging fire.

Any task that involves transferring data between your PC and a peripheral device--scanning, printing, or transferring files, among others--will be far faster with USB 3.0. In many cases, the transfer will be complete before you realize it has started.



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