StarTech.com 4 Port USB PCIe Card 10Gbps 3.1/3.2 Gen 2 Type A PCI Express Expansion with Controllers 4x Add On Adapter Windows/Mac/Linux (PEXUSB314A2V2)

Power: usb pci express expansion card with sata power header has the option to provide supplemental power to the usb ports (if motherboard power is insufficient) providing up to 45w (5v09a) per usb-a port Maximized usb performance: multiple ins support for max bandwidth when using mixed-speed devices, usb attached scsi protocol (uasp) for storage device, like ssds, hdds, nvme drives and thumb drives maximum usb performance: multiple ins support for maximum bandwidth when using devices at different speeds, usb attached scsi protocol (uasp) for storage devices, such as ssds, hdds, nvme drives and thumb drives power supply: usb pci express expansion card with sata power, provides additional power supply for the usb ports (as motherboard power supply is not enough) and offers up to 45w (5v 09a) per usb-a port compatibility: usb pci-adapter card for desktop pcs with st andard pci-e 20 x4 slot, supports windowslinuxmacos with car drivers on windows 8 and higher, works with usb 3020 devices Compatibility: usb pcie adapter card for desktop pc installs in st andard profile pci-e 20 x4 slot, supports windowslinuxmacos with auto driver install on windows 8 and up, works wusb 3020 devices