Fastest 1U Storage for 4K Workflows. Fibre Channel DAS has been dethroned. Featuring Thunderbolt 2 speeds of up to 1330MB/s and 48TB in a 1U Rackmount size, the LaCie 8big Rack has seized the crown. Video pros, meet the king of storage for 4K workflows. With full component redundancy, the LaCie 8big Rack gives professionals superb reliability and data security. Fans, disks, and PSU** are fully redundant, hot swappable**, and user-serviceable. And hardware RAID 5/6 provides security against disk failure and data loss, without compromising on transfer speeds. Whatever the contingency, zero data loss, and zero downtime.