Add a 4-port Super Speed USB (Universal Serial Bus) 3.0 Hub to the 3.5in front bay opening of a computer case. The 35BAYUSB3S4 3.5-inch Front Bay to 4-Port USB (Universal Serial Bus) 3.0 Panel Hub is TAA compliant & turns any available 3.5-inch computer case front bay into a 4-Port USB (Universal Serial Bus) 3.0