Embedded with Super Speed USB3.0 interface, conquering speed to enjoy data transfer rate of 5.0Gb/s! GR3630 provides 2×3.5-Inch SATA hard drive housing and comes with mirroring RAID for easy data backup preventing your data crashes causing by a hard drive failure, GR3630 also supports stripping RAID for users who desire to have an efficient performance from a storage device instead. Your data can be transfer to GR3630 through USB 3.0 or eSATA or Firewire800 port basing on your demands and requirements, meanwhile eliminates your upgrade hassles as well. GR3630 offers a secured, reliable and flexible storage alternative to individuals and workstations.