seems B&H are having a black friday or cheap sale? these drives are incredibly cheap, even with shipping, very limited stock.. shipping to sydney below. cheapest on staticice is $365.00
HGST HGHDIS4
4TB Deskstar 3.5" SATA III Internal Hard Drive
1 $189.00 $189.00
Sub Total: $189.00
Shipping: $38.26
Sales Tax: $0.00
Total $227.26
All the external USB HDD plug packs I've seen come with interchangeable plugs for US, UK & AU. I don't think there is any difference in the plug pack itself.