StoreJet 25H3P The StoreJet 25H3 USB 3.0 portable hard drive combines the superior performance of USB 3.0 , vast storage space up to 1TB, and a three-stage shock protection system that meets U.S. military drop-test standards. What else can you ask for? Advanced 3-stage shock protection system Combines a bright purple slip-resistant silicone outer shell, a reinforced hard casing, and an internal hard drive suspension damper. USB 3.0 and USB 2.0 connection options Compatible with both SuperSpeed USB 3.0 and standard USB 2.0 ports that offer up to 5Gb/s and 480Mb/s of bandwidth, respectively. Spacious storage capacity Up to 1TB of storage space—enough to store 200 DVD movies! Specifications Size: 130.8mm×80.8mm×21.7mm (1TB) 130.8mm×80.8mm×19.0mm (500GB/750GB) Op. Voltage: USB DC 5V Op. Temperature: 5°C (41°F) to 55°C (131°F) Storage Media: 2.5" SATA HDD Weight: 256g (1TB) 216g (500GB/750GB) Certificates: CE, FCC, BSMI Connection Interface: USB 2.0/3.0 Power Saving Mode: 10 mins One Touch Backup: Yes