Drobo 16TB (4x4TB 5400rpm) Drobo 4-Bay Storage Array

The Data Robotics Drobo 4-Bay Hard Drive Array Enclosure delivers an expandable solution for creative professions and small businesses in need of high performance backup storage. Built on BeyondRAID technology with single drive redundancy, the Drobo protects your data automatically, even in the event of multiple drive failures. Able to hold up to four hot-swappable drives, this system ensures you'll have a high-performance connection to virtually any system with available USB 2.0 and FireWire 800 connectivity. With its unique ability to mix and match drives of several different classifications, the Drobo allows you to instantly expand your capacity simply by adding or replacing a drive. With self-healing and drive redundancy technologies, the Drobo helps make sure your data is always safe and accessible.

Each Hitachi 4TB Coolspin Deskstar 3.5" High Capacity Desktop SATA Hard Drive is a high capacity internal one disk hard drive. It's designed for use in power-friendly consumer and commercial desktop computers, and is great for personal storage and PC gaming. A disk speed of 5400rpm provides fast data access.