SEDNA - PCI Express 4 Port ( 4E ) USB 3.0 Adapter - With Low Profile Bracket - (NEC / Renesas uPD720201 chipset) 4 External Port Support Windows 8 UASP Single-lane (x1) PCI Express Throughput Rates Up to 4.8Gbps No driver needed for Windows 8 and up With low profile bracket included in package