The ST7320USBC 6-Port USB 3.0/2.0 Combo Hub features a special high-output dedicated charging port which enables you to charge USB devices by providing up to 2A of power, or it can add 2x USB 3.0 and 4x USB 2.0 ports to a computer through a single USB 3.0 host connection. The hub includes an external power adapter, which when connected enables charging some portable electronic devices (e.g. an iPhone® or other Smartphone), even without a USB connection to a host computer. Offering a unique design that features USB ports along 3 sides of the hub, as well as a combination of USB 2.0 and 3.0 ports, this versatile and flexible USB hub is ideal for both laptop and desktop computers. The ST7320USBC USB 3.0/2.0 hub is backed by a StarTech.com 2-year warranty and free lifetime technical support. The StarTech.com Advantage - Adding 6 USB ports (2x USB 3.0, 4x USB 2.0) through a single host connection makes it easy to expand system capability - A high output USB port can provide up to 2A of power for charging portable devices - Portable devices can be charged with just the external power adapter connected to the hub, so the desktop or laptop (host) doesn't need to be powered on