PCI-E X1 to 2 Ports 19 Pin USB 3.0 Header PCI Express Dual 20 3.0...

PCI-E X1 to 2 Ports 19 Pin USB 3.0 Header PCI Express to Dual 20 Pin USB 3.0

highpoint rocket 1144b / 1144bm PCI Express USB 3.0 Adapter

StarTech PEXUSB3S25 PCI-e 2 Port USB 3.0 Adaptor With UASP Cable.

Dual Port USB 3.0 Card for PCI-E X1

~ USB 3.0 2-Ports Expansion Card PCI-e x1 18 Pins

StarTech.com 2 Port PCI Express SuperSpeed USB 3.0 Card Adapter PEXUSB3S2

Mini 6 Pin to Dual PCI-E 6Pin Graphics Video Card Power Cable for G5 Mac Pro