G-DRIVE Q quad interface external storage systems offer the ultimate in flexibility by providing FireWire 400, FireWire 800, USB 2.0 and eSATA ports all in a single unit. G-DRIVE Q is the perfect high-performance solution for storage intensive applications including audio/video editing, digital photography, MP3 libraries and high-speed data back up. The system features a fan-less cooling system and the latest technology 7200 RPM SATA II hard drives. G-Tech G-DRIVE Q - hard drive - 320 GB - FireWire / FireWire 800 / Hi-Speed USB / eSATA Type Hard drive - external Dimensions (WxDxH) 5.1 in x 9.3 in x 2.9 in Weight 2.6 lbs Enclosure Color Titanium Capacity 320 GB Interface Type IEEE 1394b (FireWire 800) / IEEE1394 (FireWire) / Hi-Speed USB / eSATA Spindle Speed 7200 rpm OS Required Microsoft Windows 2000 / XP, Apple MacOS 9.2 or later, Apple MacOS X 10.3 or later Manufacturer Warranty 2 years warranty