Siig ID-US0811-S1. Host interface: USB 3.2 Gen 1 (3.1 Gen 1) Type-A, Hub interfaces: USB 3.2 Gen 1 (3.1 Gen 1) Type-A, USB Type-B. Product color: Black, Housing material: Metal, USB Power Delivery up to: 87 W. Power supply type: AC, Input voltage: 100-240 V, Input current: 2 A. Windows operating systems supported: Windows 10, 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.... Width: 2.64" (67 mm), Depth: 7.24" (183.8 mm), Height: 0.957" (24.3 mm)