Bason Computer, Inc. Cavalry Storage CADA-SA2 Series 2 TB USB/eSATA 2-bay RAID Personal Disk Array (Black) CADA002SA2-B - Includes eSATA Kit USB 2.0 (USB 1.1 backwards compatible) and eSATA interface Plug and play for Windows 2000 and newer (pre-formatted to NTFS), preconfigured to RAID 1 Configurable to RAID 0, 0+1 and 1 One (1) year manufacturer's warranty, two (2) 1 TB 3.5-inch hard drives installed in a dual bay enclosure with built-in fan System Requirements - Available USB port or eSATA port, Windows 98SE / Me / 2000 / XP / Vista