LaCie Biggest Quadra, 4 TB 4-disk RAID with 1 eSATA Port, 2 FireWire 800 Ports, and 1 USB 2.0 Port, for Mac & Windows.

• Get a tremendous amount of capacity, high-speed performance and data security on demand with the LaCie Biggest Quadra. This 4-disk RAID is designed for professionals who require an easy, affordable, user-controlled solution. Select RAID 0+1, 5 or 5+hot spare with automatic background rebuilding for protecting your data or RAID 0 for high transfer rates. The four drives are removable, hot-swappable and even lockable. It comes with 1 eSATA port, 2 FireWire 800 ports (FireWire 400-compatible), and 1 USB 2.0 port for complete universality with any PC or Mac. Since it's plug & play and driver-free, setup is quick and easy. EMC® Retrospect® Express software for advanced backup management and data restoration is included for Windows and Mac users.