Description:Maximum 5Gbps high transmission speed makes this PCIE to USB 3.0 expansion card so outstanding among the same products on the market. 4 USB 3.0 ports allow it to connect with multiple devices simultaneously. And NEC chipset that designed by VIA platform ensures the stability and smoothness of data transmission. Furthermore, it is compatible with various systems like for Windows 2000, XP, Vista and WIN 7, and backwards works with USB 2.0, USB 1.1 normally with no stuck.Features:High 5Gbps Transmission Speed - Adopting 4 USB 3.0 ports with PCI-Express bandwidth to achieve high transmission speed up to 5Gbps. Wide Compatibility - Backwards compatible with USB 2.0 and USB 1.1 devices. Supports for Windows 2000, XP, Vista and WIN 7 systems. Convenient-to-use - This PCEI to USB 3.0 expansion card can create 4 USB 3.0 high speed slots for your computer through the PCI-E interface of a desktop computer or the Express Card interface of a notebook computer, which allows you to enjoy the super fast transmission with just a USB 3.0 adapter card. Stable Transmission - The advanced chipset that designed by VIA platform and supports PCI Express2.0 hub regulation enables this PCI to USB 3.0 header to produce a stable transmission for high efficiency. Save Power - USB 3.0 can provide more power to support devices which need more power to run. And it also can finish charging in shorter time. Very efficient and power saving. Specifications:Product type: PCIE to USB 3.0 Expansion CardMaximum transmission speed: 5GbpsCompatibility: USB 3.0, USB 2.0, USB 1.1Supported system: For Windows 2000, XP, Vista, WIN 7Number of USB 3.0 port: 4Supported regulation: PCI Express2.0 hub, xHCI Revision 0.95, USB2.0/1.1, USB3.0Chipset model: Designed by VIA platformProvided currentL 900mAPlug and play: YESPackage size: approx. 14.50 * 12.50 * 2.50 cm/ 5.71 * 4.92 * 0.98 inPackage weight: 89gPackage List:1 * PCIE to USB 3.0 Adapter1 * Driver Disk.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.