Lacie Seagate D2 Professional External Hard Drive 4TB Ext 3.5' USB3.1 Desktop 5Yr Wty, Black STHA4000800 Performance USB version 3.2 Gen 1 (3.1 Gen 1) Wi-Fi No USB data transfer rates 5000 Mbit/s Windows operating systems supported Windows 10 Mac operating systems supported Mac OS X 10.12 Sierra,Mac OS X 10.13 High Sierra Design Product colour Black Housing material Aluminium Hard drive HDD capacity 4000 GB HDD speed 7200 RPM Type HDD Ports & interfaces USB connector USB Type-C USB version 3.2 Gen 1 (3.1 Gen 1) Wi-Fi No USB data transfer rates 5000 Mbit/s Maximum data transfer rate 240 Mbit/s Features Product colour Black Housing material Aluminium Windows operating systems supported Windows 10 Mac operating systems supported Mac OS X 10.12 Sierra,Mac OS X 10.13 High Sierra Power Bus powered No External power adapter Yes Weight & dimensions Width 60 mm Depth 130 mm Height 188.5 mm Weight 1.4 kg Package width 180 mm Package depth 240 mm Package height 120 mm Package weight 1.6 kg Packaging data Cables included USB,USB Type-C User guide Yes Package width 180 mm Package depth 240 mm Package height 120 mm Package weight 1.6 kg Packaging content Cables included USB,USB Type-C User guide Yes External power adapter Yes Logistics data Master (outer) case width 37.7 cm Master (outer) case length 21.2 cm Master (outer) case height 49.5 cm Master (outer) case net weight 10.7 kg Quantity per master (outer) case 6 pc(s) Other features Maximum data transfer rate 240 Mbit/s