Drive: SATA I / II / III OS Supported: Windows 2000 / XP / VISTA 32/64 bit (with MBR enabled, supports total capacity up to 2TB) Vista 32/64 bit (with GPT enabled, supports total capacity more than 2TB Mac OS 10.3 or later Power Supply: Power Adapter: 100V to 240V Dimensions: 8.46" x 4.96" x 6.54" Features: Hardware Raid controller built-in on board Power Sync: Power off in synchronization with PC One button for RAID control Forced Convection Process