Amazon.com: StarTech.com 4-Port PCI Express SuperSpeed USB 3.0 Controller Card with UASP - USB 3.0 Expansion Card with SATA Power (PEXUSB3S4V) : Electronics
IOIUSB | U3X8-PCIE8XE103 | Octad Channel 16-port (2-port x 8) USB 3.0 to PCI Express x8 Gen 2 Host Card
4 Independent Port PCIe USB 3.0 Card - USB 3.0 Cards | StarTech.com