If you are looking for a professional and PCI express riser adapter, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color: Blue -Material: ABS -Size: 11.00X6.90 .90cm/4.32X2.71X0.75in - If you need multiple PCI-E slots and there are not so many on the motherboard, you can consider it. - It consists of two parts, one is the main card, which is installed on the motherboard through the PCI-E interface. - And the other is the device card, which has four PCI-E , and the two are through a USB 3.0 cable. - Note: please use the graphics card driver, try to use the same type of graphics card on a motherboard. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 1 x PCIE adapter card 1 x expansion card 1 x USB cable