Features: 1. VL805+VL812 Is A Dual-Chip Enhanced USB 3.0 Host Controller That Enables Pciexpress-Equipped Platforms To Interface With USB 3.0 High-Speed (5gbps), High-Speed (480Mbps), Full-Speed (12Mbps) And Low-Speed (1.5Mbps) Interface Devices. Users Can Easily Connect Mass Storage Devices, Printers, Scanners, , Cameras And Any Other Usb Devices They Want To Use. 2. Fully Compliant With Pci Express Base Specification Revision 2.0; (X1) Pci Express Throughput Rate Up To 2.5Gbps 3. Complies With Universal Serial Bus 3.0 Specification Revision 1.0; Supports Running Multiple Usb 3.0, Usb 2.0 And Usb 1.1 Devices Simultaneously 4. Supports The Following Speed Data Rates: Low Speed (1.5Mbps)/Full Speed (12Mbps)/High Speed (480mbps)/Super Speed (5Gbps); Supports 4 Downstream Ports To Achieve All Speeds; Houses 15-Pin Sata Power Connector For Slave System Receives Additional Power 5. Hot Swap Function Allows You To Connect/Disconnect Devices Without Powering Off The System 1. Bus Type: Pci Express Revision 2.0, Single (X1) 2. Main Chipset: VL805+VL812 3. Media Interface: 7 X Usb 3.0 Port; 1 X 15-Pin Sata Interface 4. Transmission Rate: Low Speed (1.5Mbps)/Full Speed (12Mbps)/High Speed (480Mbps)/Super Speed (5Gbps) 5. Management Functions: Hot Swap Function Allows You To Connect/Disconnect Devices Without Powering Off The System 6. : Win 10/Win 8/Win 7 Vista/Xp/2000/Me/98se/Server2003-2008 32/64-Bit Linux, DOS Material: PCB+metal Color as shown Package Contents: 1 x PCI-E USB 3.0 Expansion Card 1 x CD-Driver Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.