One plus one is greater than two. Transcend's StoreJet 25M3 portable hard drive combines the advantages of Transcend's award-winning shockproof StoreJet M series and the next-generation SuperSpeed transfer rates of USB 3.0, allowing users to enjoy ultra-fast file transfers and the highest level of anti-shock protection. Besides its outstanding combination of super fast transfer speeds and extra-rugged anti-shock design, the StoreJet 25M3 is equipped with an extremely convenient One Touch auto-backup button. Now you can instantly backup, synchronize and copy large files without having to waste precious time waiting for the transfer to complete. Features * SuperSpeed USB 3.0 compliant and backwards compatible with USB 2.0 * Connection bandwidth up to 5Gb/s * Durable anti-shock rubber outer case * Advanced internal hard drive suspension system * Offers vast storage capacity * Easy Plug and Play operation – no drivers required * USB powered – no external adapter necessary * Power saving sleep mode * One Touch Auto-Backup button * Multicolor LED indicator (power, data transfer, USB 2.0/3.0 connection type) * Includes StoreJet Elite backup and security software* * Three-year Limited Warranty * Software installation require * To ensure the StoreJet 2.5 receives a sufficent amount of stable power while in use, Transcend recommends that you plug in the USB power cable's connectors to your computer and the round-shaped end of the USB Power Cable to the DC IN jack on the StoreJet 25, it will supply the StoreJet 2.5 with adequate power for normal operation. Please also avoid using a USB HUB when connecting StoreJet25 to your computer to avoid the possibility of insufficient power supply. * Please access nl.transcend-info.com/Support/Warranty.asp for more information about Transcend Warranty Policy. * Please do not break or remove the warranty sticker on your StoreJet, as this will void your product warranty. * 1GB=1,000,000,000 Bytes. In OS system, it would be displayed as 1,000,000,000 Bytes/1024/1024/1024 = 0.93GB. * All brand names are registered trademarks of their respective owners. Specifications subject to change without notice. Please see Transcend website for warranty details and limitations.