VisionTek 2 Port USB 3.0 PCIe SFF Internal Card - 900598 Enhances the performance of data transmission beyond existing USB 2.0 Add 2 USB 3.0 ports to your current system Compatible with USB 2.0 devices Ideal for external drives and HD Streaming Fits any PCI Express Slot adapters Simple Set-Up, Plug & Play Compatible with all Versions of Windows