Syba Pci USB 2.0 5+1 Int Addon Add 6X USB2(5 Ext + 1 Int) 32BIT NEC 720101 USB 2.0 PCI controller card USB 2.0 EHCI and USB 1.1 OHCI compliant Backward compatible with USB 1.1 devices Transfer rate: each port up to 480Mpbs Over Current Protection, Each Port 500Ma Simultaneous Operation Of Multiple High-Performance Devices PCI Rev. 2.2 compliant Supports Hot-Plug, PCI Low-Power Mode And Wake-Up Supporting