Connect tablets, smartphones, external hard drives, printers and other USB-based devices to the computerAdd scalable connection options when building or upgrading computersThick gold fingers, strong anti-oxidation ability, surface immersion gold technology to ensure stable transmissionBy combining three USB 3.0 ports and one RJ45 port on one card, you only need one PCIe slot for installation, thus freeing up space for other additional modules or upgradesBig 4PIN power supplyPlug and PlayColour:blackMaterial:PC+metalPackage Contents:1 x usb 3 pcie cardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.