Cavalry Storage CADA-SA8 Series 2 TB eSATA 8-bay RAID Peronsal Disk Array CADA002SA8 - Includes eSATA Kit eSATA interface (transfer rate of 3.0 Gbps) For even greater protection, two (2) channels for RAID 0 or 1 and each channel configurable to RAID 0, 0+1, 1, 5 and RAID 5+hot spare (each channel is pre-configured to RAID 5 and are mirrored (RAID 1) against each other) Nineteen (19) separate cooling fans Unit Includes - One (1) year manufacturer's warranty, eight (8) 250 GB 3.5-inch hard drives installed in eight bay enclosure, keys for locking drive bays, eSATA cable (2), eSATA RAID controller (PCI-X card), AC adapter, Resources CD and Quick Start Guide System Requirements - Available PCI-Express slot, Mac OS 9.x or newer, Windows 98SE / Me / 2000 / XP / Vista