Conceptronic C4USB3EXI, PCIe, USB 3.2 Gen 1 (3.1 Gen 1), Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional..., 4.8 Gbit/s Conceptronic C4USB3EXI. Host interface: PCIe, Output interface: USB 3.2 Gen 1 (3.1 Gen 1). Windows operating systems supported: Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional.... Data transfer rate: 4.8 Gbit/s