Manhattan USB-A 4-Port Hub, 4x USB-A Ports, 5 Gbps (USB 3.2 Gen1 aka USB 3.0), Bus Power, Equivalent to ST4300MINU3B, Fast charging x1 Port up to 0.9A or x4 Ports with power jack (not included), SuperSpeed USB, Black, Three Year Warranty, Blister. 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 colour: Black, Housing material: Plastic. Power supply type: AC, Input voltage: 100 - 240 V, Input current: 0.6 A. Mac operating systems supported: Mac OS 9.0, Mac OS 9.1, Mac OS 9.2, Mac OS X 10.0 Cheetah, Mac OS X 10.1 Puma, Mac OS X 10.10.... Width: 45 mm, Depth: 55 mm, Height: 20 mm