4 USB 3.0 Hub Ports ExtensionWith built-in 4 extra USB 3.0 Hub ports on the side of the dual monitor stand, it allows for easier and more connection to your USB devices. Support data transfer and gets fast data access to your flash driver, mobile phones, iPad, keyboard and other devices. 2 Tiers Storage Space SaverFeatured 2 tiers storage design, the double monitor riser adds extra space for your desktop. Its super handy for you to store keyboard, mouse, tablet, hard driver, notebook and more beneath your monitor within easy reach. The computer monitor stand keeps your desk clean and organized. Say "Goodbye" to the clutter desktop.