The Plugable USB3-HUB4R is a portable, USB bus-powered USB 3.0 hub (VIA VL813 chipset) that enables connecting four low-power USB 3.0 “SuperSpeed†devices on a single USB 3.0 port. The USB3-HUB4R features a unique 180 degree rotating USB connector to allow convenient placement on a variety of host computers like desktops, laptops, or tablets. Compatibility Featuring the VIA VL813 USB 3.0 hub chipset updated to firmware version 9011 for maximum compatibility with almost all USB 3.0 hosts. Supports Microsoft Windows 10 through XP, macOS, and Linux kernels 3.0 and later. Apple SuperDrive not compatible. Older Mac Pros with USB 3.0 PCI Express add-on cards may not work with this or any USB 3.0 hub. Full forward and backward compatibility between USB 3.0, 2.0, and 1.1 hosts and devices. Not recommended for use with older Texas Instruments, Fresco Logic, Etron, or Wistron USB 3.0 host controllers. Requires no driver installation (although individual devices may require drivers). 2.4Ghz wireless devices such as wireless keyboard/mouse receivers, Bluetooth and WiFi adapters, may not work in close proximity to USB 3.0 devices or hubs. Connecting wireless devices to a USB 2.0 port is recommended for best results. Power and Charging USB bus powered operation, no power supply / AC adapter required. Functions as a USB data hub only. In the Box USB3-HUB4R 4 Port USB 3.0 Bus Powered Hub and Quick Install Guide.