Add 4 USB 3.0 ports to your desktop computer through a PCI Express expansion slot Compatible with Dell OptiPlex 3010 HP Pro 6300 4 Port SuperSpeed USB 3.0 PCI Express Card with UASP 4 Port USB 3.0 Controller Card 4 Port (3 External1 Internal) USB 3.0 Card USB 3 PCIe Card PCIe USB 3.0 Card SATA Powered USB 3.0 PCI Express Card PCI Express USB 3.0 Expansion Card w UASP Desktop PCIe USB 3 Card Add USB 3.0 Ports to a Desktop USB 3.0 UASP Card. includes a Low Profile bracket.