Features: Compliant with PCI-Express Specification Version 2.0 and USB3.0 Superspeed- Specification Version 1.0for xHCI specification version 1.0 Maximum transfer rate is up to 5Gbps, much higher- than USB2.0 480Mbs, up to 10times Backward compatible with-USB2.0, USB1.1, USB1.0 Support USB hot swapping Sata15Pin or 4Pin power supply Ideal-choice for any Mini PCIe expansible embedded or micro- system needing 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: apprx 51X30MM/2.0x1.18in Product weight: 30g Supported OS: for WindowsXP/2003/Vista-, for Win7/Win8/Win10, for Linux-, etc. Package Includes: 1PC MINI PCI-E to USB3.0 19Pin Expansion Card 1PC Power Supply Cable note: Because Mini PCI-E does not have 5V power supply, it can not directly supply USB power, so you must plug- in Sata power cable to work properly. This expansion card can only be plugged into 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 with a total of 20Pin, one of which has been pulled out of the needle to prevent staying, so it is also called 19Pin, please be sure to see the precautions when buying!