2BIG Hard Disk Power Supply Power: DC Output: 12V (4.6A) 55WAC Input: 110V / 220V Compatible: LaCie Wireless Space2big Network 22big QuadraLaCie d2 HD v.2 (heatsink design)LaCie d2 NetworkLaCie d2 Network v.2LaCie Silverscreen IIILaCie d2 DVD+/- RW drive v.2LaCie Hub USB/FW v2