Drobo 5D 20TB: Direct Attached Storage -  5 bay array - 20TB storage included with 5 x 4TB hard drives - USB 3 and 2 x Thunderbolt 2 ports (DRDR5A21-20TB)

The Drobo 5D was designed from the ground up to meet the data storage needs of today's media creators and demanding professionals. Leveraging cutting-edge Thunderbolt and USB 3.0 connectivity along with solid-state drive (SSD) acceleration, the Drobo 5D offers amazing performance in a compact desktop storage array. But it's not just fast. The 5D is also easy-to-use, expandable, and automatically protects against hard drive failure(s). Whether you need to edit high-definition videos, store a large photo library, or simply backup terabytes of data, the Drobo 5D delivers the perfect combination of speed, simplicity, expansion, and protection. Includes 2x1TB HDD's.