Put your digital life on the sleek, high capacity My Book® Essential™ external hard drive. With WD quality and USB 3.0 and USB 2.0 connectivity, this drive is designed for today with tomorrow in mind. WD quality inside and out - My Book External drives are the world's best selling drives. There's a reason. We've been making hard drives for 20 years and we know how to protect your data. USB 3.0 plus USB 2.0 - A single drive with universal compatibility today and next-generation speed for tomorrow. Use it with USB 2.0 now and step up to USB 3.0 speed when you’re ready.