Aegis Desktop Hard Drive is the ultimate hard drive backup system. Engineered to fit the latest Serial ATA (SATA) drive technology and built with a dual USB 2.0 and eSATA interface, the Aegis Desktop is the model of versatility. The Aegis Desktop gives you the choice to utilize either the SATA or USB 2.0 port on your computer. When used with the eSATA interface. Aegis Desktop robust design features a solid aluminum enclosure, great for heat dissipation. This is combined with a whisper quiet ultra-cool fan which keeps the enclosure at optimal temperatures, extending the life of your hard drive and data. The Aegis Desktop's versatile, stackable design and convenient hideaway feet which swivel away when not in use, enables the drive to be used in both vertical or horizontal configurations.