The USB 3.0 PCI-E Add-In Card is compliant to USB 3.0 Standards and backward compatible with USB 2.0 devices, add it in your Desktop PC to lift your barrier. It also allows you to connect multiple peripherals to your computer at the same time. With this two SuperSpeed USB3.0 ports, which have maximum bandwidth up to 5Gbps will experience you a new and ultimate speed satisfaction. Featuring a native NEX Express host controller chipset, TwinMOS USB3.0 PCI-E Add-In card is very much suitable for all kinds of USB3.0 Flash Drives, Portable HDD. It is the ideal interface for transferring extremely large amounts of data from USB 2.0/3.0 compliant products such as real-time video cameras, portable devices and others.