Western Digital WDG2NC15000N 1.5 TB My Book World Edition II Hard Drive Product Description My Book World Edition II - NAS server Device Type NAS serverTotal Storage Capaci Dimensions (WxDxH) 4.1 in x 6.3 in x 6.9 in Weight 5.9 lbs Storage Controller RAID - RAID 1 Hard Drive 2 x 750 GB standard Networking Network adapter - Ethernet, Fast Ethernet, Gigabit Ethernet Power AC 120/230 V ( 50/60 Hz ) - NOTE - THIS ITEM CANNOT BE SHIPPED TO MASSACHUSETTS