2 TB 2-Drive 2 x 1 TB High Performance NAS Storage Simply connect it to your wireless router for access anywhere in your home. Equipped with a high performance processor, boasts transfer speeds up to 100 MB/s, three times as fast as a standard NAS devices. Two hard drives and support for RAID 0/1 for maximum capacity or redundant data protection. RAID 0 combines all drives into a single array offering maximum capacity with no redundancy RAID 1 mirrors the two drives, creating an exact copy of data for fault tolerance