100% brand new and high qualityDescriptions:100% Brand new and high quality.Features:High quality NEC D720201 Chip.Super fast and high-capacity transfer solution, stable and reliableFully compatible with PCI Express base specification revision 2.0Supports simultaneous operation of multiple USB 3.0, USB 2.0, and USB 1.1 devicesBuilt-in 4-pin power connector for receiving extra power supply from the system,not need extra power supply.Supports Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XPCompatible with Windows XP/2003/Vista/2008/7 and Windows 8/10 32 or 64 BitSpecifications:Name: PCI Express To 4-Port USB3.0 Expansion CardNumber of Interfaces: 4 Port USB 3.0Color: BlackTransfer Speed: 5GbpsSize: approx 120x96x83mm/4.72x3.78x3.27inProduct weight: 100gProduct material: Plastic+MetalSystem support: Windows2000/XP/Win7/8/10Note:1. Due to the light and screen difference, the item's color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.Package Includes:1 x PCI Express To 4-Port USB3.0 Expansion Card