Delock Products 90049 Delock PCI Express x1 Card to 2 x PS/2 and USB Pin Header - Low Profile Form Factor
StarTech.com 2-Port USB PCIe Card 10Gbps/port - USB 3.1/3.2 Gen 2 Type-A PCI Express 3.0 x2 Host Controller Expansion Card - Windows/Linux - Walmart.com
PEXUSB3S23 | StarTech.com 2 Port USB A PCIe USB 3.0 Card | RS
Pci-express 3.0 2x to Type-e USB 3.1 Gen2 10Gbps+USB 2.0 port expansion card | eBay
4 Port LP PCI Express USB Card - USB 2.0 Cards | StarTech.com
4 Independent Port PCIe USB Adapter Card - USB 2.0 Cards | StarTech.com Belgium
StarTech PEXUSB4DP 4 Port PCI Express Low Profile High Speed USB Card - PCIe USB 2.0 Card - PCI-E USB 2.0 Card - Newegg.com
Sonnet USB2-E Allegro 5-Port USB 2.0 PCI Express Card
Product | StarTech.com 7 Port PCI Express USB 3.0 Card - Standard & Low-Profile - SATA Power - UASP Support - 1 Internal & 6 External USB 3.0 Ports (PEXUSB3S7) - USB adapter - PCIe 2.0