Powerful, Dual Drive RAID 0/1 Performance in a Bus-Powered, Portable Design. NewerTech Guardian MAXimus mini RAID-1 mirror storage solution provides maximum Plug-and-Play "Live Activity" data backup and protection in a space-saving mini footprint. In the pre-configured RAID-1 MAXProtect mode, Guardian MAXimus mini guards against data loss and costly system downtime by writing the same information in real-time to create a "mirrored" copy of 1.0TB of data.