12TB DataTale RS-M4T SMART 4-Bay Thunderbolt&trade; RAID Storage System Interface: Two Thunderbolt ports, up to 10 Gbps data transfer rate Capacity: 12.0 TB (WD30EFRX 3TB SATA3 64M RED (x 4)) Compatible with Windows 7, 8 & above; MAC OS 10.7 & above JBOD (default), RAID 0, RAID 1, RAID 10, HyperDuo (Safe/Capacity) Backed by a 2 year warranty