D-Link DUB-1340. Hub interfaces: USB 3.2 Gen 1 (3.1 Gen 1) Type-A. Product colour: Black, Certification: CE, FCC, Compatible products: USB 1.0, 1.1, 2.0, 3.0. Input voltage: 5 V, Output current: 4 A. Compatible operating systems: Windows/Linux. Width: 98 mm, Depth: 72.5 mm, Height: 20.3 mm