Amazon.com: Sedna - PCI Express USB 3.1 Gen I (5Gbps) 4 Port Adapter with Low Profile Bracket - Supports Windows, Linux and Mac Pro (2008 to 2012 Late Version), no Need Power Connector : Electronics
PCI Express to Dual 20 Pin USB 3.0 PCI-E X1 to 2 Ports 19Pin USB3.0 Header Support Low Profile Bracket - Walmart.com
Amazon.com: StarTech.com 3 Port PCI Express USB 3.0 Card + Gigabit Ethernet - Fits Standard & Low-Profile PCs - UASP Supported - Optional SATA Power (PEXUSB3S3GE) : Electronics
HP 3 Port Powered USB 12V PCI Express Low Profile Card with Cable P/N 640269-001 3326861035379 | eBay
Amazon.com: 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) : Everything Else
SYBA USB 3.0 3+1 Port PCI-e Card, Free Low Profile Bracket, Renesas Chipset Model SD-PEX20137 - Newegg.com
STARTECH.COM USB 3.0 Controller Card | AVADirect
2 ports USB 3.0 PCI e Controller Card + PCIe Low Profile Bracket PCI Express to USB3.0 Converter Adapter NEC chipset|card cloning|usb3.0 pcicard knife - AliExpress
3 Port PCI LP USB 2.0 Adapter Card - USB 2.0 Cards
ST PCIUSB3S4: PCI card, 4 port USB 3.0, optional low profile at reichelt elektronik
Delock Products 89382 Delock PCI Express Card > 3 x external USB 3.0 + 1 x external Gigabit LAN - Low Profile Form Factor
China Superspeed USB 3.0 PCI Express (x1) (2x Ext) with 15-Pin SATA Power Connector and Low Profile Bracket (Chipset:NEC720202) - China Pci Express Usb 3.0 Card and Pci Usb 3.0 Card price
2 ports USB 3.1 PCI express Card PCIe with low profile bracket pci e 4x to usb3.1 Type A adapter SuperSpeed 10Gbps|card camera|pcie x1 video cardpcie parallel port card - AliExpress
ST PCIUSB3S4: PCI card, 4 port USB 3.0, optional low profile at reichelt elektronik
Ableconn PCI-UB124 USB 3.0 4-Port Low Profile PCI Host Adapter Card - Renesas NEC UPD720201 chipset : Electronics
SuperSpeed 2-Port USB 3.0 PCI-E PCI Express 19-pin USB3.0 4-pin IDE Connector Low Profile - Newegg.com