Brand Name: ADATA Model No: HD720 Capacity: 2TB Waterproof (IPX8 standard: Submerged to 2 meters for 120 minutes) Dustproof (IP6X standard: Totally protected against dust) Military-grade Shockproof (1.8m drop test than the standard of MIL-STD-810G 516.6) High-end silicone case with carbon fiber-like pattern Compatible with USB 3.0 and USB 2.0 SPECIFICATIONS Capacity: 2TB Color: Black / Blue / Green Dimensions (L x W x H): 129.4 x 97.9 x 20.2 mm / 5.1 x 3.9 x 0.8 in Weight: 211g / 7.4 oz (500GB), 223g / 7.9 oz (1TB/2TB) Interface: SuperSpeed USB 3.0 (backward compatible with USB 2.0) System requirements : Windows XP or later Mac OS X 10.6 or later Linux Kernel 2.6 or later Accessories: USB 3.0 cable; Quick Start Guide Op. Temperature: 5°C (41°F) to 50°C (121°F) Op. Voltage: USB DC 5V Texture: Plastic / Silicone Rubber Warranty: 3 Years Note: Connecting via USB 2.0 requires plugging in to two USB ports for sufficient power delivery. A USB Y-cable will be needed. Brand Adata SKU AD016EL01A61CNAFAMZ-65770 Model HD720