HIGH PERFORMANCE: 5-Port USB PCIe card with ASMedia 3142 IC; 10Gbps Hub w/ 3 External Ports (2x USB-A & 1x USB-C) & two internal ports USB 5Gbps (1x Internal IDC header); Supports up to USB 3.2/3.1 Gen 2; Upgraded version to our popular card PEXUSB312EIC TRANSFER SPEEDS UP TO 10Gbps: USB-A & USB-C PCIe card adapter supports Multiple INs maintaining max bandwidth with mixed speed devices and UASP optimizing USB performance with external storage devices like SSDs, HDDs, NVMe drives; Works w/ USB 3.1/3.0/2.0 OPTIONAL POWER: USB PCIe expansion card with SATA power supplies supplemental power to the USB ports (when motherboard power is insufficient) providing up to 5V 3A/15W via the USB Type-C port & 5V 0.9A/4.5W via each USB port COMPATIBILITY: USB C add-on card installs in full or low-profile PCIe 3.0 (x4 slot) desktop/server (full-profile bracket installed, low profile bracket incl.); lower performance with PCI-e 2.0; Windows/Linux/macOS auto driver install (Windows 8 & up) STARTECH.COM ADVANTAGE: IT professionals choice for over 30 years; This USB-A & USB-C combo PCI Express Host Controller card is backed for 2-years by StarTech.com, including free 24/5 North America based multi-lingual tech support