3TB storage capacity with SATA III, 6Gb/s NCQ Interface. Provides plenty of space for your music, movies, photos and other files. IntelliSeek: Calculates optimum seek speeds to lower power consumption, noise and vibration. Data LifeGuard: Advanced algorithms monitor your drive continuously so it stays in optimum health. Package includes a hard drive only â€“ no screws, cables, manuals included.