STT PCI 4P-USB3-PEXUSB3S4V

Startech PEXUSB3S4V, 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP - SATA Power, 2 Year Warranty

4 external USB 3.0 ports SuperSpeed USB 3.0 up to 5 Gbps UASP (USB Attached SCSI Protocol) support Backward compatible with USB 2.0 / 1.x devices at 480Mbps SATA power connector 900mA per port (USB 3.0) / 500mA per port (USB 2.0) Stacked port layout for compact form factor Includes low profile/half-height bracket 2-year warranty