REVIEW: Western Digital My Book Essential 3TB external hard drive

If you're looking to do some super-quick, super-painless PC spring cleaning, you'll want to grab an external hard drive with USB 3.0 transfer speeds. Western Digital's My Book Essential range offers as much as a massive 3TB of external storage, and transfer speeds three times as fast as USB 2.0 thanks to their USB 3.0 connectivity options. We took a 3TB model for a spin. Read on for our thoughts!