Features: Compatible with PCI-Express Specification Version 2.0 and USB3.0 Superspeed Specification Version 1.0 for xHCI specification version 1.0 Maximum transmission speed is up to 5Gbps, much higher than USB2.0 480Mbs, up to 10 times Backward compatible with USB2.0, USB1.1, USB1.0 Supports USB hot swapping Sata15Pin or 4Pin power supply Ideal choice for any Mini PCIe expandable embedded or micro systems that need larger volume and higher speed data transfer connectivity with USB devices Specifications: Product Name: MINI PCI-E to USB3.0 19Pin Expansion Card Applicable Interface: Mini PCI-E interface Product Interface: USB3.0 19Pin 15Pin Sata power port x 1 Power Supply: Sata 15Pin / 4Pin (Optional) Product Size: Approx. 51x30MM/2.0x1.18in Product Weight: 30g Supported Operating Systems: for WindowsXP/2003/Vista-, for Win7/Win8/Win10, for Linux-, etc. Note: Since Mini PCI-E does not have 5V power supply, it cannot directly supply USB power, so you need to connect the Sata power cable to work properly. This expansion card can only be connected to the MINI PC-E interface and cannot be used for the MSATA interface. Please confirm the interface before purchasing, otherwise it will not work. USB3.0 is a double row of a total of 20Pin, one of which has been pulled out of the needle to prevent it from being stuck, so it is also called 19Pin, please be careful about the precautions when purchasing! Package Includes: 1Pc MINI PCI-E to USB3.0 19Pin Expansion Card 1Pc Power Supply Cable