Armor A66 4TB Black SP040TBPHD66LS3K Features: Super-speed data transfer with USB 3.2 Gen 1 interface (up to 5Gbps) Massive storage capacities available in two different sizes to cater to various needs (1TB/2TB and 4TB/5TB) Military-grade shockproof drive (meets the MIL-STD 810G Method 516.6 Procedure IV drop test) Advanced internal anti-collision suspension system structure effectively reduces impact force and strengthens overall shock-absorption IPX4 water-resistance protects the drive against splashing water from any direction All-around rubber bumper provides 360˚ protection for the drive to take it anywhere, worry-free Smart wrap-around cable design prevents cable misplacement LED light indicates data transfer activity and power status Convenient plug-and-play eliminates the need for external power Free SP Widget software available for download, which provides 7 major back-up and security functions Specifications: Capacity 4TB Dimensions 139.2mm x 96.0mm x 24.0mm Weight 328g Material Rubber + Plastic Color Black/Black Interface USB 3.2 Gen 1 (USB 3.0, USB 2.0 backwards-compatible) Supported OS Windows 10/8.1/8/7/Vista/XP 64-Bit, Mac OS 10.5.x, Linux 2.6.x Operating Temperature 5°C - 55°C Storage Temperature -40°C - 70°C Operation Voltag eDC 5V Certification CE, FCC, BSMI, Green dot, WEEE, RoHS, KC, RCM Warranty 3 years