8TB MiniPro RAID V2 FW800, USB 3.0, eSATA 2-Bay Portable Hard Drive Capacity: 8.0 TB (2 x Seagate Momentus ST4000LM016 4.0 TB) Interface: USB 3.0, FireWire 800, eSATA Aluminum housing provides excellent protection and heat dissipation Configurable hardware RAID controller (JBOD (default), RAID 1 mirroring, RAID 0 striping, BIG) Bus powered using FireWire, or powered using AC adapter (included) USB 3.0, Firewire 800, eSATA Features simple RAID configuration via switch settings. No software required. LED indicators provide easy verification of system status Powered using FireWire bus power or the included AC power adapter Package includes: MiniPro RAID V2, USB 3.0 cable, eSATA cable, FW800 cable, AC power adapter, user guide