The LaCie 4big Quadra Enterprise Class is the most complete 4-bay RAID solution for professionals who need RAID performance and encryption protection for their data. Featuring seven RAID modes and four interfaces for full compatibility and flexibility, the 4big Quadra Enterprise Class also integrates four internal SATA server-grade disks for quality and more robust performance. Its internal enterprise disk drives have been developed with a rotational vibration resistance technology and target an ambitious 1.2-million hours MTBF (Mean Time Before Failure). Made for professionals that need to preserve their data's confidentiality, the LaCie 4big Quadra Enterprise Class features the option to implement a password access system and an advanced government-grade 128-bit AES hardware encryption, making it a secure choice for your data. In addition to keeping your data safe, the LaCie 4big Quadra Enterprise Class features secure RAID modes, including RAID 5, RAID 3, and RAID 10 for full security and drive failure support. In these configurations, hot-swappable disk trays even allow maintenance without affecting your workflow.