ITEM NAME:PCI E to USB 3.0 Controller Adapter Expansion Card, 4.72x2.64inch Description: FAST USB 3.0 PCI-E PCIE 4 PORTS Express Expansion Card Adapter. 100% brand new and high quality Super fast and high-capacity transfer solution, stable and reliable Fully compatible with PCI Express Base Specification Revision 2.0 Supports simultaneous operation of multiple USB 3.0 Supports 4 downstream ports for all speeds Built-in 4-pin power connector for receiving extra power supply from the system Supports Windows 7, Windows 8, Windows 8.1, Windows 10, Windows XP Specification: Material:ABS+Metal Size:Approx. 120x67mm/ 4.72x2.64inch Interface Speed:5Gbps Package Includes: 1 Piece Adapter Card 2 Pieces Screws Note: Light shooting and differnent displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is  ±1-3 cm. SKU: ALU0037756777014269.Supports simultaneous operation of multiple USB 3.0. 1 Piece Adapter Card. Light shooting and differnent displays may cause the color of the item in the picture a little. SKU: ALU0037756777014269. Supports Windows 7, Windows 8, Windows 8.1, Windows 10, Windows XP.
