StarTech.com 4-Port USB PCIe Card - 10Gbps USB 3.1/3.2 Gen 2 Type-A PCI Express Expansion Card with 2 Controllers - 4x USB-A - USB PCIe Add-On Adapter Card - Windows/Mac/Linux. Host interface: PCIe, Output interface: USB 3.2 Gen 2 (3.1 Gen 2), Expansion card standard: PCIe 3.0. Product colour: Black, Metallic, Mean time between failures (MTBF): 40000 h. Chipset: ASMedia - ASM3142, ASMedia - ASM1812, Data transfer rate (max): 10 Gbit/s. Output voltage: 5 V. Windows operating systems supported: Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10..., Mac operating systems supported: Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 11.0 Big Sur,..., Server operating systems supported: Windows Server 2012 R2, Windows Server 2016, Windows Server 2019