Solution] Win7/8.1 Drivers for USB 3.0/3.1 Controllers of new AMD Chipset Systems - Windows 7/Vista/Server 2008 - Win-Raid Forum
Amazon.com: 7-Port PCI-E to Type C (2), Type A (5) USB 3.0 Expansion Card with 2 Rear USB 3.0 Ports PCI Express Card Desktop for Windows Mac Pro : Electronics
7 Port PCI USB Card Adapter - USB 2.0 Cards | Add-on Cards & Peripherals | StarTech.com
USB 3.0 ports function as USB 2.0 ports on Windows 7 with an Intel USB 3.0 xHCI Controller - Super User
Usb 2 Pci 5 Ports | 2 Usb 20 Pci Card | Splitter Adapter | Usb 3 2 Pci Card - Pci-e Usb 3.2 - Aliexpress
5 Port PCI USB 2.0 Adapter Card - USB 2.0 Cards | Add-on Cards & Peripherals | StarTech.com Europe
7 Port PCI USB Card Adapter - USB 2.0 Cards | Add-on Cards & Peripherals | StarTech.com
Amazon.com: BEYIMEI PCI-E to USB 3.0 2-Port Expansion Card, with 15-pin SATA Power Connector and 19-pin USB3.0 Interface, Suitable for Desktop Windows XP/Vista / 7/8/10 / Linux/Ubuntu(2X Type a) : Electronics