Meet your primary storage, the second generation of the safe, expandable Drobo storage robot. Its so simple anyone can use it, yet powerful enough for business. Drobo plugs into Mac, PC & Linux systems for redundant data protection without the complexities of RAID. Dynamically expand storage any time; Drobo holds four drive bays using any combination of 3.5" SATA drives. It comes with Fire Wire 800 & USB (Universal Serial Bus) 2.0, so you get the data protection you need with the speed & interface you want.