Package Include 7 x PCIE adapter card 7 x expansion card 7 x USB cable Characteristics -Size: 11.00X6.90X1.90cm/4.32X2.71X0 PCI-E to PCI-E Adapter Card. -Color: Blue PCI- E Adapter Card -Material: ABS camera covering stickers - But even with USB 3.0, the theoretical bandwidth is only 5Gbps (625MB/s). If you divide it 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 PCI- E Riser. - PCI-E 1X multi-interface card solves the situation that the desktop computer doesn't have enough PCI-E ports Computer. - Special design and it is in fine craftsmanship. It is the best replacement for your old, broken one PCI- E to PCI- E Adapter Card. - Therefore, this thing can give you the most slots, but not enough bandwidth. It is only suitable for places where performance is not required PCI-E Riser. - It is simple in design, but very practical in use, which brings great convenience to you PCI Express Riser.Goods DescriptionComputer Supply Features the ABS material, which has high durability, not easy to deform.Computer Fine workmanship, ensures practicality.PCI- E Card Adapter This PCI express riser adapter is made of , which can withstand long-lasting use