This PCI-E extension adapter is made of , which can withstand long-lasting use. Features the aluminum alloy material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color: Red -Material: aluminum alloy, -Size: 12.00X4.50X2.00cm/4.72X1.77X0.79in Interface: PCI-E 1X - This extension cord is suitable for motherboard PCI-E slot (1X 2X 4X 8X 16X). - Allow connecting multiple graphic cards with one motherboard at the same time. - The USB cable is and stable, easy to route, and the graphics can be placed at will. - Vertical directional port, it is more convenient than traditional upward port. - When plugging or unplugging the PCI-E extension cable, the computer must be powered off and then . Package list: 5 x Riser Cards 5 x USB Cables 5 Cables 5 x Connector Boards