Verbatim Store 'n' Go Portable Hard Drive 1TB USB 3.0 Special Features: Colours available: Black, Silver, Eucalyptus Green, Hot Pink, Caribbean Blue, Violet, Volcanic Orange, Sunkissed Yellow, Graphite Grey Ultra fast USB 3.0 2.5@ (6.35cm) external hard drive, downwards compatible with USB 2.0 USB 3.0 theoretical maximum data transfer speed: 5Gbps -> up to 10x faster than USB 2.0 FAT-32 pre-formatted, immediately ready to be used on both PC and Mac Including extensive software package: Backup software for easy file backup from computer to external hard drive, Green Button energy saving software, controls the power consumption of your drive, Formatting software for easy (re)formatting of your external hard drive 2 years manufacturer’s warranty Product Weight: 184 grams Product Dimensions: 80mm x 121mm x 15mm (W x L x H) System requirements: PC or Mac with USB 3.0 / USB 2.0 / USB 1.1 Port Windows XP / Vista / Windows 7 Mac OS X 10.4 or higher Linux Kernel 2.6 or higher.