ITEM NAME:PCI-E1X to 16X Riser Card Extension Line USB3.0 Data Line Power Cable ME 100% Brand New and High Quality ! Material:Cable Size:130X43mm Color:Blue Package Included:1 x PCI-E 16X adapter 1 x PCI-E 1X Riser board 1 x USB 3.0 cable 1 x Power cable Features: New design, 1X, 2X, 4X, 8X, 16X compatible (1-16X and 16-16X can be used), PCB PCIe connection is completely new, safer, more efficient, more practical! A: Three imported large solid-state capacitors are used for power supply of graphics cards, which makes the power supply of graphics cards stable and safe. B: Power supply with SATA interface makes the power supply of graphics card independent from the motherboard, thus reducing the burden of the motherboard when connecting multiple graphics cards. C: PCI-E connector uses multi-layer shielding wire. D: Slot with fixed clip, easy to remove graphics card and fixed graphics card, so that graphics card will not fall off from the slot..1 x PCI-E 1X Riser board. 1 x Power cable. 1 x USB 3.0 cable.