hard disk esterno 2,5 4tb westerndigital my passport ultra usb3.1,

western digital wdbftm0040bbl-wesn. hdd capacity 4000 gb. usb version 3.0 (3.1 gen 1). product colour black,bluehard drivehdd capacity4000 gbtypehddports & interfacesusb connectorusb type-cusb version3.0 (3.1 gen 1)wi-fi-featuresproduct colourblack,bluehousing materialmetalsecurity algorithms256-bit aespassword protectionjaplug and playjawindows operating systems supportedwindows 10,windows 7,windows 8.1mac operating systems supportedjapowerbus poweredusboperational conditionsoperating temperature (t-t)5 - 35 ?cstorage temperature (t-t)-20 - 65 ?cweight & dimensionswidth81.6 mmdepth110 mmheight21 mmweight230 gpackaging contentcables includedusb type-cuser guideja