Protected, Multi-Interface Storage Solutions G-SPEED Q provides content creators a high-performance, multi-interface, 4-bay RAID storage solution for every type of digital asset. Equipped with USB 3.0, 3Gbit eSATA, and FireWire(R)800, this RAID solution features Enterprise-Class hard drives for the ultimate reliability and performance. The quiet and stylish G-SPEED Q features an internal RAID controller, solid all-aluminum enclosure with (4) hot-swappable Enterprise-class hard disk drive modules, and quiet cooling fan technology. The internal RAID controller supports RAID 0 for maximum performance or RAID 5 for data protection. G-SPEED Q's small footprint and portability make it perfect for applications where high capacity and RAID protection is very important. G-Technology G-SPEED Q DAS Array - 4 x HDD Supported - 4 x HDD Installed - 12TB Installed HDD Capacity is one of many Mac Hard Drives available through Office Depot. Made by G-Technology.