Package Dimensions:14.3 x 12.5 x 2.4 cm; 80 Grams Series:WNUVINd Operating System:Windows 8.1, Linux, Windows 8 Are Batteries Included:No Item Weight:80 g Guaranteed software updates until:unknown Specification: Item Type:PCI E to USB 3.0 Expansion Card Material: PCB Trade Name: SUU3042 Number of Interfaces: 4 Applicable Slot: PCI-EX1 X4 X8 X16 Current: Each Interface is Independent Operating System: Support for Xp, for Win7, for Win8 and for Win8.1, for Win10 Transmission Rate: 5GBn How to Use: Theexpansioncardisinsertedintotheslotofthemotherboardofthecomputer.Afterinstallingthedriver,youcanuseit Package List: 1 x PCIEtoUSB3.0ExpansionCard2 xScrew About this item Easy Installation: No external power line, easy installation, save you time, which can effectively extend the service life High Power Inductor: The inductor adopts 12MMx12MM enclosed high power inductor with its own power supply module for power supply High Speed: USB3.0 series is backward compatible with USB1.1/2.0, providing 5Gbps high speed Stable Data Transmission: VIA chip, 4 USB3.0 interfaces at the back, stable data transmission Faster More Stable: Bandwidth independent power supply free transmission, faster and more stable See more product details Easy Installation: No external power line, easy installation, save you time, which can effectively extend the service life High Power Inductor: The inductor adopts 12MMx12MM enclosed high power inductor with its own power supply module for power supply High Speed: USB3.0 series is backward compatible with USB1.1/2.0, providing 5Gbps high speed Stable Data Transmission: VIA chip, 4 USB3.0 interfaces at the back, stable data transmission Faster More Stable: Bandwidth independent power supply free transmission, faster and more stable