The Transcend StoreJet M3 1TB External Hard Drive is a rugged military grade shock resistant device that meets US military’s drop test standards. It is protected by a state of the art 3 stage shock protection system that can survive even in the harshest environments. The hard casing of the portable 2.5inch SATA HDD features an outer shell that is made of a slip resistant silicone. The internal hard drive incorporates a suspension damper. These features all but reduce the damage caused by impacts by providing maximum shock absorption. The external drive’s massive 1TB space can save over 16,000 hours of digital music, 168 hours of 1080p High Definition footage, or more than 480,000 high resolution photos.