Cavalry Storage CADB-U32 Series 1 TB USB 2-bay JBOD Personal Disk Array CADB001U32 USB 2.0 (USB 1.1 backwards compatible) Plug and play for Windows 2000 and newer (pre-formatted to NTFS) Large 2" fan for added cooling Unit Includes - One (1) year manufacturer's warranty, two (2) 500 GB 3.5-inch hard drives installed in a dual bay enclosure, USB cable, AC adapter, Resources CD and Quick Start Guide System Requirements - Available USB port, Mac OS 9.x or newer, Windows 98SE / Me / 2000 / XP / Vista