USB 2.0 INDUSTRIAL HUB - 20 Ports - USB charging station

For connecting 20 USB peripherals to your computer, or as a charging station for devices that charge via USB port.
Compatibility:
USB 2.0 backwards compatibleUSB 1.1. All Windows, Mac, Linux.
Features:
METAL BODY.
Adds 20 USB 2.0 ports to your PC (if your PC is USB 1.1, the added ports will also be USB 1.1).
Two upstream ports (USB B-type sockets) and twenty downstream ports (USB A-type sockets).
Automatic detection of connected peripherals.
Supports up to 127 cascaded USB 2.0 peripherals.
Retro-compatible with USB 1.1 peripherals and/or computers.
Maximum transfer rate of 480 Mps (USB2.0 HIGH SPEED).
Individual overvoltage protection.
External stabilized power supply 90 WATTS.
Dimensions 180 mm x 130 mm x 35 mm.
To be placed horizontally flat on a table, rack mounting possible with the brackets supplied.
Sold with power supply, two USB A/B cords and optional metal brackets.