Silicon Power Stream S20 Portable 750 GB USB 3.0 External Hard Drive SP750GBPHDS20S3U, Purple SuperSpeed USB 3.0 compliant and backwards compatible with USB 2.0 High transferring rate up to 5 Gb/sec Artistry paint treatment, fingerprint free Power saving sleep mode LED indicates power on and data transfer activity Bundles with Carry Bag SP Widget free download software features seven main functions to maximize your SP Portable Hard Drive Supported Operating Systems Windows 7, Windows Vista, Windows XP, Windows 2000, Linux 2.6.31 or later, MacOS 10.4 or later (only USB 2.0 currently supported)