USB 2.0 CardBus 4 Port Hi-Speed PCMCIANEC USB 2.0 chipset4 Port USB 2.0 Cardbus CardCompliant with Universal Serial Bus Specification Revision 2.0 (Data Rate 1.5⁄12⁄480 Mbps)Compliant with Open Host Controller Interface Specification for USB Rev 1.0aCompliant with Enhanced Host Controller Interface Specification for USB Rev 0.95Supports High-Speed (480Mbps)Full-Speed (12Mbps) and Low-Speed (1.5Mbps)Plug & Play supportHot Swapping functionsProvides 4 downstream ports for USB devicesFully compliant with USB 2.0 EHCI standardsFully compliant with USB 1.1⁄1.0 OHCI standards