LaCie d2 Quadra Hard Drive 500GB is fully loaded with all the best interfaces ? eSATA, FireWire 800, FireWire 400 and USB 2.0 ? for universal connectivity on any computer. It?s designed for professional use, boasting superior features such as a 16MB cache, 3-level switch for customized power management, and EMC Retrospect backup software for Windows/Mac OS. The LaCie Shortcut Button launches any application with one push, such as backup software or a frequently used program. Its heat-dissipating d2 design is so versatile, it can stand upright, stack or be rack-mounted.Fully loaded with all the best interfaces ? eSATA, FireWire 800, FireWire 400 and USB 2.0 ? the d2 Quadra brings you complete universal connectivity. Boasting superior features such as a 16MB cache, advanced 3-level power management, bootability**** and professional backup software, it?s designed for professional performance. Easily back up, archive or exchange all of your files, videos, MP3s and JPEGs or upgrade your PC or Mac with additional capacity. Its space-saving d2 design by Neil Poulton is so versatile, it can stand upright, stack or be rack-mounted ? safeguarded by the best in heat-dissipating technology. Our LaCie Shortcut Button allows you to easily launch any application with one push, such as the included software EMC Retrospect Express for PC or Mac.