The new ARCTICROC 4T 4-Bay RAID system provides massive storage capacity and advanced RAID configuration in a compact storage device. The ARCTICROC 4T delivers extraordinary performance and reliability for both Mac and PC users. Specifically designed for demanding audio/video professionals, the new ARCTICROC 4T contains fast SATA high capacity 3.5" drives in heat dissipating aluminum case. Silent fans assure quiet operation while providing maximum airflow for cooling purposes. The trayless function with SmartGuider ensures swift and simple hot-swapping.