The GT 050Q uses a quiet internal fan for maximum airflow and proper cooling. The case is designed with front-panel ventilation holes to draw cool air in, while exhausting warm air out the back - critical to the performance and reliability of the components. They are easily misplaced, or accidentally unplugged from the drive, and take up valuable outlet space. The GT 050Q uses an industry-standard power cord and pro-quality internal power supply for the most efficient and reliable power source possible. The GT Series Single Rack Kit transforms your GT 050Q into a 1U rack-mount hard drive. The Double Rack Kit mounts any two Glyph GT Series tabletop drives in a 1U rack space. (Sold separately). Optional hard-molded plastic carrying case to protect your valuable work. The case is foam-lined and has room for your accessory cables. The GT 050Q provides all the ports you'd possibly need. With FireWire 800, FireWire 400, USB 2.0 and eSATA options, you can connect the GT050Q to your external interface of choice. eSATA is a cutting edge technology option, giving you the fastest bus speed available.