... 1 OHCI Compliant 2,Backward compatibile with USB 1.1 devices3,Transfer rate: Each port up to 480Mbps4,Connects up to 127 ... simultaneously5,Over current protection, each port 500mA6,External port: USB-A x 47,Internal port: USB-A/Pin header port x 1 (sharing with first ... external USB) in colour box package.OEM ...