2 Dual Port Hidden Inside USB 3.0 USB3.0 HUB to Express Card ExpressCard 54 54mm Adapter Converter Card ASMEDIA ASM1042 Chipset 5.0Gbps Compact hidden design to save space. Stable and reliable ASMEDIA Chipset ASM1042. Compliant with USB 3.0 specification. Date transfer rate up to 5.0Gbps / 625MB/s. Compliant with ExpressCard Specification 1.0.