Transcend's StoreJet 25M2 is compact and portable, with measurements of only 126.25 mm by 82.4 mm by 20.4 mm. Weighing in at just 206g, the StoreJet 25M2 is easy for users to conveniently carry around. To protect against data loss or damage from accidental slips or falls, the StoreJet 25M2 meets the U.S.military drop-test standards MIL-STD-810F 516.5 procedure IV (transit drop test) with advanced two-stage anti-shock technology, literally making it one of the safest places to keep your data.* In order to ensure maximum compatibility with most desktop and notebook computers, the StoreJet 25M2 uses a high-speed USB 2.0 interface, which provides data transfer rates up to 480Mb per second while offering the convenience of plug and play. The StoreJet 25M2 not only makes external storage easier, but also more productive with its convenient "OneTouch" Auto-Backup button and bundled StoreJet elite software that offers intelligent backup scheduling, security, and file compression functions. Transcend's StoreJet 25M2 supports all commonly used operating systems, like Windows 2000 / XP / Vista / 7, Mac OS 9.0, or later and Linux Kernel 2.4.2, or later. Now available in different capacities, the StoreJet 25M2 is the perfect portable data storage solution to help you effectively mobilize your digital world. *Based on U.S. military drop-test standards MIL-STD-810F. Transcend is not responsible for recovering any data lost due to any improper usage. Please do not slip or hit StoreJet 25M2 on purpose