Expand by connecting up to 7 USB 3.0, 2.0, or 1.1 devices to any USB 2.0 or 3.0 capable computer * Compatible with Mac, Windows, and Linux systems. Apple OS X Mac systems require latest OS X updates. * Not compatible with Apple SuperDrive or other USB devices requiring more than 900mA (.9 Amp) USB 3.0 standards. Not compatible with most PCIe cards added to Mac Pro systems. Also not recommended for Raspberry Pi. * Supports USB 3.0 transfer rates up to 5Gbps. Backwards compatible with all USB 2.0/1.1 devices and hosts. Powerful 4A laptop-style power adapter with 6 foot cable. Hub is not a standalone charger. * 7 per-port LEDs. Sleek black finish. All 7 ports on one side to minimize cable clutter.