The PCI-E extension adapter is convenient and practical, with excellent texture, and without being easily damaged. The craftsmanship can serve you well without breaking easily. This is a very practical PCI-E extension adapter. Features -Color: Red -Material: aluminum alloy, -Size: 12.00X4.50X2.00cm/4.72X1.77X0.79in Interface: PCI-E 1X - Independent power supply to ensure your graphics to function normal without adding much burden to your mainboard. - With fixing buckle, your graphics can install and remove from the board easily, not easy to come off. - This extender kit is perfect for setting up your own mining rigs. - When plugging in, hold the socket of the device before plugging in to avoid inserting the socket with excessive force. - Note: Be sure to recognize the direction when plugging in, don't plug reverse or off position to prevent the device from being burned. Package list: 5 x Riser Cards 5 x USB Cables 5 Cables 5 x Connector Boards