A4TECH HUB-56-4 Black USB Hub Transfer rate: 480Mbps, Interface: USB 2.0x4, Self-powered: 500mA, Input: 5 V 2 A, System Requirements: Windows XP / Vista / 7 / 8 / 8.1 / 10, Perfect for quick connection of flash storage devices, digital camera, MP3 player, USB mouse...