ITEM NAME:4 Ports Usb3.0 Expansion Card 5Gbps Pci-E Pci Express Adapter Converter For G7X6 4 Ports Usb3.0 Expansion Card 5Gbps Pci-E Pci Express Adapter Converter For G7X6 External Ports: 4x USB 3.0 Internal Port: 1x SATA 15Pin Power Connector (Not connect the SATA Power can normal use!) Host Interface: PCI Express (PCI-E) Data Transfer Rate: Up to 5.0 Gbps Operating System compatibility: Windows XP/7/8/10/Vista. Colour: Black Material: ABS+ metal Fits any PCI Express x1, x2, x4, x8 or x16 socket (Does not support PCI port.) Data transfer rates up to 5.0Gbps - 10x faster than USB2.0 Single-lane (x1) PCI Express throughput rates up to 5 Gb/s Supports the following speed data rates: Low-speed (1.5Mb/s) / Full-speed (12Mb/s) / High-speed (480Mb/s) / Super-speed (5Gb/s) Hot-swapping feature allows you to connect/disconnect devices without powering down the system Supports simultaneous operation of multiple USB 3.0/2.0/1.1 devices, enjoy the convenience of plug-and-play 15 Pin SATA power connector available for some high current consumption peripherals or 3 above devices at the same time Each USB port has a separate insurance, the current is too large, it can instantly cut off power to protect the computer and external devices from damage Operating Systems: Windows XP, Vista and Windows 7 (with included drivers) Windows 8/8.1/10 - No additional drivers are needed for Win8/8.1/10 Item included: 1 * 4-Port PCI-E to USB 3.0 Expansion Card 1 * Spare low-profile bracket(8cm) 1 * Driver CD 2 * Screw