The 1TB Guardian MAXimus mini Quad Interface HDD Array Kit (2 x 500GB) is a B&H Kit that gives you what you need to get started backing up your computer or workstation's data. This kit pairs two 500GB hard drives with this hard drive array. The array allows you to store your data in a RAID 0 or 1 configuration, depending on whether you want faster throughput or greater data security. Compatible with Mac, Linux, and Windows computers, it can connect to your computer via eSATA, USB 2.0, and FireWire 800 or 400. Easy to carry and housed in a sturdy aluminum enclosure, this array is good for the office, home, or on the road.