MANHATTAN 3-Port USB Hub with Gigabit Ethernet Port (506892) Upgrade the USB and Ethernet capabilities of your Ultrabook or PC Provides 3 SuperSpeed USB 3.0 ports for additional drives and peripherals One Gigabit Ethernet (10/100/1000) port for faster downloads, media streaming and gaming Hot-swappable (no need to power down) Reverse compatible to Hi-Speed USB 2.0 and Fast Ethernet (10/100 Works with Ultrabooks and PCs running Windows XP, Vista, Windows 7 or Windows 8 Compatible with Mac OS X Three-Year Warranty