G-Technology G-RAID with Removable Drives High-Performance Storage System 12TB (Gen7) (0G03411) 12TB RAID 0/1 solution with USB 3.0, eSATA and FireWire 2-removable 6TB 7200RPM hard drives for performance Perfect for photo & video editing Smart-cooling fan for quiet operation, long life and data reliability Software selectable RAID 0 (performance) or RAID 1 (protection)