This PCI-E USB 3.0 riser assembly includes one PCI-E 16X adapter and one PCI-E 1X riser, easy connection. The PCI-E to USB adapter board supports USB 3.0 port which can provide high speed data transmission. The GPU extension riser card adapter set includes a SATA male to 6-pin power cable, which can provide stable power and will not cause a load to the motherboard. The PCI-E riser card adapter adopts superior material and gold-plated contacts for better conductivity and long service life. The PCI-E riser card adapter can be used with a 1X, 4X, 8X, or 16X GPU card. Made of high quality material, this product is a very practical USB3.0 graphics card 6pinPCI-E to PCIe extension adapter. Board size: About 13 x 4.5 x 1.5cm USB cable length: About 60cm Colour: blue Material: copper Package Contents: 1 x PCI-E 16X adapter 1 x PCI-E 1X adapter board 1 x USB 3.0 data cable 1 x SATA power cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.