![US 12V Power Adaptor for the Western Digital 4TB My Book Thunderbolt Duo External hard drive by myVolts US 12V Power Adaptor for the Western Digital 4TB My Book Thunderbolt Duo External hard drive by myVolts](https://myvolts.com/imgs/prd/455/4/1_us.jpg)
US 12V Power Adaptor for the Western Digital 4TB My Book Thunderbolt Duo External hard drive by myVolts
![Used - Very Good: WD My Book Thunderbolt Duo 4TB Desktop External Hard Drive (WDBUTV0040JSL-NESN) Desktop External Hard Drives - Newegg.com Used - Very Good: WD My Book Thunderbolt Duo 4TB Desktop External Hard Drive (WDBUTV0040JSL-NESN) Desktop External Hard Drives - Newegg.com](https://c1.neweggimages.com/ProductImage/0B1-00HU-00006-06.jpg)
Used - Very Good: WD My Book Thunderbolt Duo 4TB Desktop External Hard Drive (WDBUTV0040JSL-NESN) Desktop External Hard Drives - Newegg.com
![Amazon.com: WD 4TB My Book Thunderbolt Duo Desktop RAID External Hard Drive - Thunderbolt - WDBUTV0040JSL-NESN : Electronics Amazon.com: WD 4TB My Book Thunderbolt Duo Desktop RAID External Hard Drive - Thunderbolt - WDBUTV0040JSL-NESN : Electronics](https://m.media-amazon.com/images/I/81ixV1km5CL._AC_UF350,350_QL80_.jpg)
Amazon.com: WD 4TB My Book Thunderbolt Duo Desktop RAID External Hard Drive - Thunderbolt - WDBUTV0040JSL-NESN : Electronics
![Amazon.com: WD My Book Thunderbolt Duo 4TB External Dual Hard Drive Storage with RAID includes Thunderbolt cable WDBUSK0040JSL-NESN : Electronics Amazon.com: WD My Book Thunderbolt Duo 4TB External Dual Hard Drive Storage with RAID includes Thunderbolt cable WDBUSK0040JSL-NESN : Electronics](https://m.media-amazon.com/images/I/315fzYfl3lL._AC_UF894,1000_QL80_.jpg)
Amazon.com: WD My Book Thunderbolt Duo 4TB External Dual Hard Drive Storage with RAID includes Thunderbolt cable WDBUSK0040JSL-NESN : Electronics
![Western Digital 3.5in 4TB My Book Thunderbolt Duo External Dual Hard Drive with RAID - WDBUPB0040JSL, Silver - Walmart.com Western Digital 3.5in 4TB My Book Thunderbolt Duo External Dual Hard Drive with RAID - WDBUPB0040JSL, Silver - Walmart.com](https://i5.walmartimages.com/asr/6d9d1531-edcf-44af-b913-af7bda5b9306.5ae74f6af7cf6be285b5c6274143d41f.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Western Digital 3.5in 4TB My Book Thunderbolt Duo External Dual Hard Drive with RAID - WDBUPB0040JSL, Silver - Walmart.com
![Western Digital 3.5in 4TB My Book Thunderbolt Duo External Dual Hard Drive with RAID - WDBUPB0040JSL, Silver - Walmart.com Western Digital 3.5in 4TB My Book Thunderbolt Duo External Dual Hard Drive with RAID - WDBUPB0040JSL, Silver - Walmart.com](https://i5.walmartimages.com/asr/4a5afa92-333b-4a93-a3cc-a1ec23738452.e06a3fadda686657143eaa26ce3f2e06.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Western Digital 3.5in 4TB My Book Thunderbolt Duo External Dual Hard Drive with RAID - WDBUPB0040JSL, Silver - Walmart.com
![Western Digital bumps My Book Thunderbolt Duo to 8TB, consoles regular My Book buyers with 4TB | Engadget Western Digital bumps My Book Thunderbolt Duo to 8TB, consoles regular My Book buyers with 4TB | Engadget](https://s.yimg.com/ny/api/res/1.2/s30Lx_RtwkQu.OYT.tB3PA--/YXBwaWQ9aGlnaGxhbmRlcjt3PTY0MDtoPTQyNw--/https://s.yimg.com/uu/api/res/1.2/Ez1TCYapRQgEg_sz.fkWew--~B/aD00MDA7dz02MDA7YXBwaWQ9eXRhY2h5b24-/https://www.blogcdn.com/www.engadget.com/media/2012/01/mybookthunderboltduoleaddantekttk2-1327613469.jpg)