The ST4300USBM 4-Port Mountable Industrial USB 3.0 Hub from StarTech.com offers a simple way to expand a systems current USB capability by providing 4 additional external USB 3.0 ports from a single USB 3.0 host connection, with speeds up to 5 Gbps. It is designed for extreme operating environments; this industrial-grade hub provides reliability under almost any condition and can be securely mounted to most surfaces. Moreover the hub is fully compliant with the SuperSpeed USB 3.0 specification and backward compatible with USB 2.0 and 1.x specifications for simultaneous support of older USB peripherals or even older systems without USB capabilities. Additionally, this hub is made of all metal chassis, built-in surface mounting brackets and choice of power input method makes this versatile enough for almost any environment. With all these features and more it has an internal dual-regulator power circuits which provide up to 900mA of stable and reliable power per port.