STARTECH.COM ADVANTAGE: IT professionals' choice for over 30 years This USB-A PCIe add-on card is backed for life by, including free 24/5 North America based multi-lingual tech support.COMPATIBILITY: USB PCIe adapter card for desktop PC installs in standard profile PCI-e 2.0 x4 slot Supports Windows/Linux/macOS with auto driver install on Windows 8 & up Works w/USB 3.0/2.0 devices.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 4.5W ( ) 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.HIGH PERFORMANCE: USB PCIe card with 4x USB-A ports up to SuperSpeed 10Gbps per port Dual ASM3142 controllers with up to 20Gbps total bandwidth across 4 ports USB 3.1 Gen 2/USB 3.2 Gen 2x1 Upgraded version of our popular USB card PEXUSB314A2V.
