NEC chip set
USB 2.0 EHCI and USB 1.1 OHCI Compliant
Backward compatibile with USB 1.1 devices
Transfer rate: Each port up to 480Mbps
Connects up to 127 USB devices simultaneously
Over current protection, each port 500mA
External port: USB-A x 4
Internal port: USB-A x 1
supports Win 98/98SE/ME/2000/XP