The USB (Universal Serial Bus) 3.0 4 port hub supports USB (Universal Serial Bus) Super Speed 5 Gbps & backwards compatible with previous USB (Universal Serial Bus) specifications. The 4 Port hub can be used with or without the supplied power supply.
Specification USB (Universal Serial Bus) 3.0 Compliant 4 Port Hub Supports Super Speed 5 Gbps Backwards compatible with USB (Universal Serial Bus) 2.0 1.1 & 1.0 USB (Universal Serial Bus) & ACPI complaint Plug n Play Supports powered or bus powered modes Compatible with Windows XP Vista Win 7 Win 8 & MAC 9.x & above Contents: 4 Port Hub 5v 3.5A PSU USB (Universal Serial Bus) 3.0 A to B cable