... Hi-speed ports 5.Good quality and competitive price USB HUB 4 port Feature :1) USB2.0 HUB with 4 port ... /480Mbps3) Supports up to 127 USB devices4) Extensively compatible with scanner, digital camera, digital vidicon, audio-system, display, ... 5) Single chip integrated USB HUB controller with embedded proprietary processor6) 4 ports, and power up to 500mA each port7) ... .1 or highe. USB 2.0 HUB with 4 Ports