Dell is a trusted brand and it makes always good quality product .
Dell 1 tb external hard disc is very good because its capacity is very expensive and it quality is very good.
Dell 1 tb external hard disc have 1 years warrenty and its cost is not very high and it is working very smoothly and I am happy with it.
Dell 1 tb usb 3.0 portable external hard disc have very nice transfer speed.
You can buy it.