The Vantec NexStar NST-DP100S3 HDD Duplicator is a versatile storage device for duplicating hard drives as well as a high capacity USB 3.0 storage. Simple docking design provides easy installation and quick removal. Built-in one-button cloning enables you to copy sector-by-sector as a standalone device without even connecting to a computer. When connected to a computer, the device can function as a SuperSpeed USB 3.0 storage device for up to 2 high capacity hard drives. From data storage to data duplication, the Vantec NexStar NST-DP100S3 HDD Duplicator is there for you.