Siig JU-H40F12-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. Data transfer rate: 5000 Mbit/s, Product color: Black, Housing material: Aluminum. Input voltage: 100 - 240 V, AC input frequency: 50 - 60 Hz, Output voltage: 5 V. Windows operating systems supported: Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise x64, Windows 10 Home,..., Mac operating systems supported: Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7.... Width: 3.11" (79 mm), Depth: 1.85" (47 mm), Height: 0.63" (16 mm)