Satechi 4 Port USB 3.0 Premium Aluminum Hub (White Trim) v2.0 Metallic silver finish with shielded white cable complement. Expand USB connectivity by connecting up to four USB enabled devices to any computer. Fully plug and play; devices can be hot-plugged, supports USB over-current protection. Compatible with most Windows, Mac OS X, and Linux systems. Mac OS X and Linux systems require latest operating system updates for best compatibility. Windows users should install latest manufacturer USB 3.0 host controller drivers and windows updates. Hub is not a standalone charger and will not charge phones or tablets. Not recommended for use with USB 3.0 PCI-e add-on cards and Apple Super Drive / External Disk Drives. Supports USB 3.0 super speed transfer rates up to 5Gbps for quicker data movement. Transfer rates are device and USB host controller dependent. Ideal for high-throughput devices such as USB hard drives, flash drives, and USB video adapters. Backwards compatible with all USB 2.0 devices.