Comes with 4 power modules, 4 independent insurance, 4 solid capacitors, 2 19Pin USB3.0 interfaces on the board. 2 x 19-pin USB3.0 connectors: Allows you to extend 4 USB 3.0 ports to your desktop using the two internal 19-pin USB3.0 ports. High quality master IC: advanced technology, low heat, fast and stable operation, perfect welding, excellent workmanship, uniform layout, neat, to maximize interference and greatly improve stability. 4 Independent insurance: Each interface is equipped with independent protection insurance. When the external USB device is short-circuited and the current is too high, the power can be cut off instantly to protect the devices and the computer from 4 solid capacitors: each interface is equipped with an independent regulator capacitor to ensure reliable fluid power supply to each interface. And the capacitors using semiconductor chip can withstand high temperature up to 250 Celsius. Super power module: Each USB 3.0 interface is equipped with an independent power module, and each interface is exclusively provided with 2A power supply, a total of 8A. Besides, the inductor adopts 12mm x 12mm enclosed super power Type: Riser Card Color: Black Material: PC + metal Package Contents: 1 x PCI-E to 2 Port USB3. 0 19Pin 1 x Low Profile Baffle 1 x CD 1 x Screw Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is +/- 1-3 cm.