-พร้อมแผ่นdriver หรือโหลดได้ที http://www.mediafire.com/file/a4vviwi90u6u247/4Port+USB+3.0.rar 4-Port USB 3.0 to PCI-E Card Express Expansion Card Adapter VIA Chipset 5Gbps Description: 100% Brand New high Quality Qty: 1pcs Easy plug & play installation Automatically select IEQ & I/O address Single-lane (x1) PCI Express throughput rates up to 5Gbps Low-speed (1.5Mbps) / Full-speed (12Mbps) / High-speed(480Mbps) / Super-speed (5Gbps) Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices Fully compliant with PCI Express Base Specification Revision 2.0, compliant with Universal Serial Bus 3.0 specification Revision 1.0 Supports 4 downstream ports for all speeds Built-in 4-pin power connector for receiving extra power supply from system Support Microsoft Windows 95 98 2000 ME, XP, NT 4.0, VISTA, MAC, Win 7, Win8 Supports all USB data transfer function: control, add-on, interruption, synchrotrans Working Frequency: 24 MHz Weight: Approx 40g Easy and convenient to use Package Includes: 1x Rebuilt-in 4-ports USB 3.0 PCI-E Card (Without retailing packing)