Western Digital My Book Premium II WDG2T20000N 2TB External Hard Drive Up to 2 TB of storage in a small design lets you store an entire digital photo library, your HD movie collection and hours and hours of DV video For extra data protection, dedicate half the capacity for mirroring and automatically and instantaneously back up data every time you save it FireWire 400/800 and RAID striping gives the speed you need for fast, smooth video editing, an extra-responsive Photoshop scratch disk, rendering complex 3D objects or special effects, and saving huge blocks of data in record time Easy to set up, easy to use. RAID configuration is easy with WD's intuitive RAID Wizard software Easy access allows you to open the case and replace a drive. No need to send the entire system in for service