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Finally, there are the two ASMedia ASM1142-powered USB 3.1 ports. Four USB 3.0 ports are provided by a VIA VL805 PCIe-to-USB 3.0 controller which uses a single 5Gbps PCIe 2.0 lane from the X99 chipset. There are two USB 2.0 and two USB 3.0 ports directly from the Intel X99 PCH.
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MSI's X99A Gaming 9 ACK features four different sets of USB ports on its rear IO. USB 3.1 Kit: ASMedia Development Board (ASM1352R) with two 240GB Intel 730 SSDs (RAID 0).Operating System: Windows 8.1 64-bit (results certified with Windows 7 Professional with SP1 64-bit).System Drive: 120GB Kingston SM2280S3/120G M.2 SATA SSD.
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