CalDigit T4 Thunderbolt 2 Professional RAID - RAID 0, 1, 5, JBOD(T4R-24000-US-150) Dual Thunderbolt 2 Ports for Daisy Chaining Speeds up to 750MB/s with HDDs or 1375MB/s with SSDs High Quality Aluminum Construction Removable Drive Design Versatile - RAID 0, 1, 5 & JBOD Industry Leading 5 Year Warranty