Function: 1. High speed 5Gbps: The USB3.0 series is backward compatible with USB1.1/2.0, providing high speed, fast and stable 5Gbps transmission. 2. Tansmission without power: PCIE expansion card on USB 3.0 bandwidth independent transmission without power, faster and more stable. 3. VIA Core: The PCIE expansion card on USB 3.0 adopts the VIA chip, with 7 USB 3.0 ports on the back, and the data transmission is stable. 4. High power induction coil: The induction coil adopts 12MM x 12MM closed high power induction coil, with its own power supply module, which can provide 4A power supply. 5. Simple installation: The PCIE to USB 3.0 expansion card does not require an external power cord, which is simple to install and easy to use. . ADAPTER CARD PCI-E X TO 7X USB 3.0 Specification: Item Type: PCIE to USB 3.0 Expansion Card Material: PCB Model: SU-3057V Number of Interfaces: 7 Suitable socket: PCI-EX1 X4 X8 X16 Current: independent 2A for each interface Operating system: XP support, for WIN7, for WIN8, for WIN8.1, for WIN10 Transfer Rate: 5 GB . ADAPTER CARD PCI-E X TO 7X USB 3.0 List of packages: 1 x PCIE to USB 3.0 expansion card 2 screws 1 x CD Connect the appropriate computer socket, install the driver and get ready to use . ADAPTER CARD PCI-E X TO 7X USB 3.0