Amazon.com: GODSHARK Internal USB 2.0 PCI Card, 5 Port (4 External & 1 Internal) PCI Expansion to USB 2 Adapter Hub Controller, High Speed 480Mbps for Desktop : Electronics
USB 2.0 CompactFlash Card Reader | Integral Memory
USB 2.0 PCI Card
6 Ports PCI-E to USB 2.0 Expansion Card 9pin Internal USB Header Desktop Express Card with 15 Pin SATA Power Connector - Walmart.com
2 Port PCIe x1 USB 3.0 Expansion Card SFF – VisionTek.com
USB SD Card Reader, TSV Micro USB 2.0 OTG Adapter Memory Card Reader for SD/Micro SD/TF/SDXC/SDHC/MMC/RS-MMC/Microsdhc/Microsdxc, Camera Flash Card Reader Support Windows, Linux, Mac OS, Android - Walmart.com
Belkin Hi-Speed USB 2.0 4-Port PCIe Card New F5U252 Card Only 4-External Ports - Newegg.com