PCI 32bit to 4+1 ports USB2.0 Expansion Controller Card Support Windows MAC
Support PCI bus main channel, 4 external USB2.0 interfaces, 1 internal USB2.0 interface. Support PCI 32-bit bus, speed is 33MHZ, PCI standard version 2.2. 1x PCI to USB expansion card. Size: 120 120 19mm.