Front four-port USB3.0 expansion card Directly lead from the PCI-E to the front of the chassis, more stable and more convenient, the front port can use four hard drives at the same time. The PCI-E interface is ultra-low 90 degrees. The interface is blocked and does not affect the use of the interface. With self-powered module, no external power supply, all solid capacitors Each port has a separate interface protection insurance. Support system: Windows XP 32/64 Windows 7 32/64 Windows8 Windows8.1 Windows10 Specification: Type: PCI-E 1X to Front 4 Port USB 3.0 Card TrayChipset: NEC720201 Bus Modes: PCI-E X1 interfaceCompatible Slot: PCI-E x1/x4/x8/x16USB PortTransfer Rate: USB3.0 5Gb colour: as shown Material: ABS Package Contents: 1 x Usb Expansion Card Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.