DLINK DUB-H4 4 PORT USB 2.0

Standards USB Specification version 1.1 USB Specification version 2.0 OHCI UHIC EHCI Number of Ports 1 upstream USB Type B port 4 downstream USB Type A ports Dimensions 104 mm (L) x 63 mm (W) x 29 mm (H) Connectivity Rules 5 cascaded hubs maximum 5 m maximum between each hub Up to 127 devices O.S. Support Windows 98, 98SE, ME, 2000, XP (for USB 2.0) MacOS X 10.1 and above (for USB 2.0) MacOS 8.9 and above (for USB 1.1 only) EMI Certifications FCC Class B CE Class B C-Tick Package Includes USB 2.0 A-to-B cable