PCI to External 4-Port / Inner 1-Port USB 2.0 Expansion Card - Black
Bus type: PCI compatible with USB standard - External 4-port + inner 1-port USB 2.0 - Transmission speed up to 480Mbps - Uses NEC chip stable and fast transmission - Compatible with USB 1.1 / USB 1.0 - Supports hot plugging - Supports PCI 32-bit bus speed is 33MHz - High speed 480Mbps full speed 12Mbps low speed 1.5Mbps - Easy installation convenient extending more USB ports