PCI-E to USB3.1: Expand your computer with two more ports; USB3.1 Gen 2: The PCI-E card is equipped with 10Gbps bandwidth, which ensures fast data transmission, real speed of USB3.1 for individual port. Support Hot Plug, Plug & Play Drive-free (but only need to install the driver when used on Windows 7) Compatible slot: PCIe x4, PCIe x8, PCIe x16,and does not support PCI-E 1X slot. Good Compatibility: Compatible with Windows 7/8/10/Linux Kernel; 15PIN power supply port Powerful: Equipped with SATA 15PIN power supply backup interface, plug in the computer's power cord to provide you with a strong power supply capacity, suitable for most chassis power supplies, you no longer need to worry about power supply matching problems, the power supply is sufficient and stable; It can charge Type-C interface mobile phones (including iphone, Samsung, and other mobile phones)