This PCI express riser adapter is made of , which can withstand long-lasting use. Features the ABS material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color: Blue -Material: ABS -Size: 11.00X6.90X1.90cm/4.32X2.71X0.75in - PCI-E 1X multi-interface card solves the situation that the desktop computer doesn't have enough PCI-E ports. - But even with USB 3.0, the theoretical bandwidth is only 5Gbps (625MB/s). If you into four and remove the loss, it will only be 150MB/s. Even the single-channel bandwidth of PCI-E 1.x is 250MB/s. - Therefore, this thing can give you the most slots, but not enough bandwidth. It is only suitable for places where performance is not required. - It is simple in design, but very practical in use, which brings great convenience to you. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one. Package list: 1 x PCIE adapter card 1 x expansion card 1 x USB cable