G-Technology G-SPEED Q 12TB High Speed RAID Array with eSATA, USB 2.0, Firewire 400, Firewire 800 Interfaces for Video Editing Applications 0G02053 High-speed, low-cost RAID featuring an internal RAID controller with Quad interface Whisper quiet aluminum enclosure features four (4) hot-swappable Hitachi Enterprise-class 7200 RPM, 3.5-Inch 3Gbit SATA drives each with up to 32MB cache RAID level selection software for Mac and PC . Auto-rebuild in RAID 5 mode Supports multi-stream SD and compressed HD workflows. Internal RAID controller support RAID 0 and RAID 5 . "Smart" cooling fans ensure quiet, reliable operation and data integrity