1. Four USB ports are provided that are compatible with Hi-Speed USB 2.0 and USB 1.1 (low and full speed) devices. 2. Top loading port gives you easy access to small accessories like USB thumb drives, media readers, USB lights and fans 3. Connect the modem, USB printer, scanner and HD to a convenient USB HUB. With the USB 4-port HUB, you can add 4 USB peripherals to your computer and save desktop space 4. System requirements: Windows XP/ME/2000/98SE/Vista/Windows 7; Mac OS 10.2~, Mac OS 9.1, Linux Kernal 2.4 or later 5. Shell material: ABS
