This is because back in the day the Intel controller only supported a small number of ports so OEMs added a secondary controller to get some extra ports. Support USB 3.1, 3.0, 2.0, and 1.1 devices. Your motherboard has two different USB 3.0 controllers - the Intel controller and the ASMedia controller. 1.1Ĭompliant with USB Attached SCSI Protocol (UASP) Specification 1.0. Supports PCIe 1.0, 2.0, or PCIe 3.0 motherboardĬompliant with PCI Express Specification 3.0Ĭompliant with USB 3.1 Spec. USB3.1 PCIe x4 Lane Host Adapter Card powered by ASM3142 with PCIe Gen3 x2 Lane performance The OS native built-in drivers feature UASP. No driver installation is required on MacOS 10.9 to 10.10, and 10.12 and later ( NOTE: MacOS 10.11 in-box driver doesn't support ASMedia USB 3.1), Win10/8, Server 2012 and later, Linux 2.6.31 and later. Driver download is available for 32/64 bit Windows 7/Vista, and Windows Server 2008/2003.Īdd two SuperSpeedPlus USB 3.1 Type-A ports with up to 10Gbps data rate to your system. No driver installation is required onMacOS 10.9 to 10.10, and 10.12 and later (NOTE: MacOS 10.11 in-box driver doesn't support ASMedia USB 3.1), Win10/8, Server 2012 and later Linux 2.6.31 and later. Support up to 2A/5V on each USB-A downstream port. PCIe x4 card fits in any PCIe 2.0 or PCIe 3.0 x4 or x8 or x16 slot.
Include both Low Profile and Regular Size PCIe brackets.
Powered by ASM3142 controller with PCIe Gen3 x2 lanes performance. Up to 10Gbps data transfer speed, twice as fast as USB 3.0.
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