Plugable 7 port USB 3.0 hub - 25W Powered USB HUB Expand USB connectivity by adding up to seven USB 3.0, 2.0, or 1.1 devices to any USB 2.0 or 3.0 capable computer. Fully plug and play, devices can be hot-plugged, supports USB over-current protection. (see in the description below for more information on smart charging abilities) (US AC Wall Outlet Plug, 100-240V 50/60Hz) Compatible with most Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X, and Linux / Unix systems. On Microsoft Windows systems the latest manufacturer USB 3.0 host controller drivers and Windows Updates need to be installed to ensure compatibility. Apple Mac OS X and Linux / Unix systems require latest operating system updates for best compatibility. Apple notes: Some devices such as the Apple SuperDrive look for Apple-specific signaling and will not work when connected through any USB hub. Not recommended for use with USB 3.0 PCI-e add-on cards for older Mac Pro systems because of limitations in their software support for USB 3.0 hubs. Supports USB 3.0 transfer rates up to 5Gbps (640MBps). Transfer rates are device and USB host controller dependent. Backwards compatible with all USB 2.0/1.1 devices and hosts. Sleek piano black UV protected glossy finish. All 7 ports on one side to minimize cable clutter and maximize accessibility. 7 blue status LEDs, one per USB port. We love our Plugable products and hope you will too. All of our products are backed with a 1-year limited parts and labor warranty and Seattle-based email support. The hub itself requires no driver installation (although individual devices may require drivers). Supports Microsoft Windows 10 through XP, Mac OS X, and Linux kernels 3.0 and later. Installing latest USB 3.0 xHCI host controller drivers is recommended. This hub is not recommended for use with older Texas Instruments, Fresco Logic, Etron, or Wistron USB 3.0 host controllers. Older Mac Pros with USB 3.0 PCI Express add-on cards may not work with this or any USB 3.0 hub. The Apple SuperDrive is not compatible (see Apple HT201788). 2.4Ghz wireless devices such as keyboard/mouse receivers, Bluetooth and WiFi adapters, may not work in close proximity to USB 3.0 devices or hubs.