iTEC PCIe 4 x USB 3.0 Internal USB 3.0 interface cards/adapter

PCIe Card 4x USB 3.0 (2x external USB 3.0, 2x internal USB 3.0 via 1x 20 pin adapter) PCIe to USB 3.0 adapter is PCIe x1 card with 2 external and 2 internal USB 3.0 ports (all of them are back compatible with USB 2.0 and USB 1.1). It is Fully compliant with PCI Express Base Specification Revision 2.0. Adapter supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices with up to 5Gbps speed data rate. Built-in 4-pin power slot for receiving extra power supply from system.