G-Tech GDQ3515TB G-DRIVE Q Quad Interface External Storage System - 1.5TB High-speed, quad interface hard drive for demanding applications FireWire 400, FireWire 800, USB 2.0 and 3Gbit eSATA connectivity Oxford 934 chipset Storage capacities up to 1.5TB using 7200-RPM SATA II drive with up to 32 MB/cache Integrated heat-sink provides near silent operation and ensures proper cooling for long life and data reliability