Intenso MemoryBox 3.5" USB 3.0 External Desktop Hard Drive This Intenso 3.5" USB 3.0 external desktop hard disk drive is highlighted by its compact case design, Plug&Play installation, silent operation and very high interface speed! Specifications Capacity: 2TB (2000GB*) Hard Disk Type: 3.5" Colour: Black Material: Aluminium LED activity display: YES On / Off Switch: YES Interface: Super Speed USB 3.0 5Gbps (Compatible with High Speed USB 2.0 480Mbps) Maximum data transfer rate: Read: 85.00 MB/s (570x) Write: 75.00 MB/s (503x) Speed/Cache: 5400 RPM / 32MB File Format: FAT32 (Default) Weight: 950 grams Dimensions: 190 x 114 x 34 mm Power supply: 12V-DC 1.5A 220V AC external power supply Accessories included: USB 3.0 data cable, AC-DC Power supply Operating system: LINUX 2.4 and higher, MAX OS X 10.0 and higher, Microsoft Windows XP, Vista and 7* Please note: For the USB 3.0 operation an USB 3.0 interface card is needed. The hard disk is downward compatible with the previous USB standards. Your PC’s hardware configuration as well as the operating system employed can influence the compatibility of the hard drive. * Recommended to install all available operating system service packs, patches and update system drivers to latest versions to increase performance and system stability. The FAT32 file system used by default by the hardware manufacturer to obtain the highest compatibility can be changed by the user following the OS manufacturer instructions. Note: 1 megabyte (MB) = 1 million bytes, 1 gigabyte (GB) = 1.000 billion bytes. Part of the capacity is used to format and perform other functions and thus is not available for data storage. Write and Read Speeds as stated by manufacturer, specifics may be obtained contacting directly their technical department. Reflected speeds may not be attainable under some circumstances, and depend on hardware, software and settings used. x=150KB/sec