The Cyberdata 011236 3-Port 10/100/1000 Gigabit Ethernet Switch is a compact and efficient networking device powered by a USB port. With its three ports, it allows for high-speed connectivity for various devices such as computers, servers, and printers. The switch is designed by CyberData, a reputable brand known for producing reliable networking products. This model is a single unit quantity, making it suitable for small to medium-sized setups within an enterprise networking environment.