G-Technology 12TB G-RAID with Thunderbolt 2 and USB 3.0, Removable Dual Drive Storage System, Silver - 0G04093 Solid, durable, and stackable all-aluminium enclosure 2-removable 7200RPM Enterprise-class hard drives With up to 480MB/s - perfect for photo & video editing (Performance will vary depending on your hardware and software components and configurations.) Smart-cooling fan for quiet operation, long life and data reliability Thunderbolt 2 and USB 3.0 ports for high-speed data transfers