StoreJet 25M3 (USB 3.0) One plus one is greater than two. The StoreJet 25M3 combines the shock-resistant qualities of Transcend’s award-winning rugged StoreJet M series with the SuperSpeed 5Gb/s interface bandwidth of USB 3.0, allowing users to enjoy ultra-fast file transfers and the highest level of anti-shock protection. Key Features Military-grade shock resistance* SuperSpeed USB 3.0 compliant and backwards compatible with USB 2.0* Advanced 3-stage shock protection system Durable anti-shock rubber outer case Advanced internal hard drive suspension system Quick Reconnect Button – re-enable safely removed USB hard drive without unplug and reinsert One Touch Auto-Backup button* 256-bit AES file & folder encryption** Exclusive Transcend Elite data management software *Based on U.S. military drop-test standards MIL-STD-810G 516.6. Transcend is not responsible for recovering any data lost due to any improper usage. **Transcend Elite software is required to use this feature. Specifications Size 129.5mm x 82.4mm x 20.4mm (5.10″ x 3.24″ x 0.80″) Op. Voltage USB DC 5V Op. Temperature 5°C (41°F)~55°C (131°F) Storage Media 2.5″ SATA HDD Weight 2TB: 230g (8.11 oz) 1TB / 500GB: 216g (7.61 oz) Certificates CE, FCC, BSMI Connection Interface USB 2.0/3.0 Power Saving Mode 10 mins OneTouch Backup Yes System Requirements Desktop or notebook computer with a working USB 2.0 or USB 3.0 port Operating Systems (OS): Microsoft Windows XP Microsoft Windows Vista Microsoft Windows 7 Microsoft Windows 8 Microsoft Windows 8.1 Mac OS 10.5 or later Linux Kernel 2.6.31 or later.