Compare Western Digital VelociRaptor (WD1500HLFS) 150 GB SATA 3 Hard Drive to Western Digital (WDH2Q20000N) 2 TB FireWire 400 (1394a) Hard Drive

Some hard drive companies design desktop-class drives with the Serial ATA (SATA) interface. To meet the demands of enterprise storage, WD is going one better. Western Digital is the only company combining an enterprise-class mechanical platform with the SATA interface to meet all the demands of the enterprise environment - reliability, performance, and reduced cost. Less

Quad interface, RAID-enabled, about 30% less power consumption, and formatted for Mac. The My Book Studio Edition II treads lightly on the earth and carries big performance for creative professionals. Lightning-fast FireWire 800 combined with RAID 0 (Striped) yields the speed you need for smooth video editing, rendering complex 3D objects or special effects and saving huge blocks of data in record time. Designed to use only WD's GreenPower drives, this system uses about 30% less energy than standard systems and runs quietly because it doesn't need a fan. Drives can be easily upgraded.The My Book Studio Edition II works with Apple's Time Machine. It includes software and instructions for reformatting to Windows. Included automatic backup software backs up important projects to multiple destinations including file servers, portable drives and My Book. Set it and forget it, every time you save a change it's automatically backed up. Less