Drive capacity 4 TB Type HDD Device type HDD Ports & interfaces Wi-Fi cross USB version 3.2 Gen 1 (3.1 Gen 1) Thunderbolt technology cross USB connector USB Weight & dimensions Weight 285 g Height 19 mm Width 80.5 mm Depth 125.7 mm Operational conditions Operating temperature (T-T) 5 – 50 °C Packaging data Cables included USB Features Security algorithms 256-bit AES LED indicators checkmark Product colour Black Housing material Plastic Windows operating systems supported checkmark Mac operating systems supported Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks