2011 good cost performance usb hub 1.USB 2.0 4port, 8port hub 2.Chipset: F1.1 3.CE, ROHS,FCC 4.Model ... 2011 good cost performance usb hub2011 good cost performance usb hub Parameter: Model HX-H047 Size 90*52*16 mmChipset F1 ... Win95, 98, ME, 2000, XP, 2003, Vista, Win 7, 8, Linux, CE, etc. Chipset F1.1Port Qty 4pcs, 8pcsColor Black, White ... Win95, 98, ME, 2000, XP, 2003, Vista, Win 7, 8, Linux, CE, etc.