USB 3.0 Card, 4 Ports to USB 3.0 Expansion Card Interface | eBay
USB 3.0 Interface Card PCIe x4, ASM, 2 Ports - PC Card (USB)
Amazon.com: Sedna - PCI-E to 8 Port USB 3.0 (USB 3.1 Gen I) Expansion Card (4E4I) : Electronics
USA 4 Ports USB 3.0 PCI-E Express Interface Card Standard Height Bracket for PC | eBay
Amazon.com: StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA/SP4 Power - Quad Port PCI USB 3 Controller Card (PCIUSB3S4),Red : Everything Else
Sonnet USB3-4PM-E Allegro 4-Port USB 3.2 Gen 1 PCI USB3-4PM-E
Amazon.com: StarTech.com 4 Port USB 3.0 PCIe Card w/ 4 Dedicated 5Gbps Channels (USB 3.1 Gen 1) - UASP - SATA / LP4 Power - PCI Express Adapter Card (PEXUSB3S44V) : Electronics
ORICO Monster USB 3.0 PCI - Express Card with 5 Rear USB 3.0 Ports and 1x Internal USB 3.0 20-PIN Connector Controller Adapter Card (PVU3-502I) - Newegg.com