The PCI-E riser Card kits are the top of the line solution for setting up Ethereum mining rigs (or any other GPU-mined altcoin), whether small open air rigs or large rack based miners, and securing your investment.     The cable is relatively soft and easy to route, and the graphics card can be placed at will.     The slot is equipped with a fixed buckle, which is convenient to remove the graphics card and fix the graphics card, so that the graphics card will not fall off from the slot.     With SATA 15pin Male to 6pin power cable,more powerful,and reduce the burden of the motherboard.     Built-in PCI-E Video Detection. You don't need to install a jumper wire           Product name: riser card     Interface: usb 3.0 pci-e     Application: for graphics card     colour:Blue     Material:metal          Package Contents:     4 x PCI-E 16X adapter board      4 x PCI-E 1X adapter card      4 x USB3.0 data cable      4 x 6Pin to 15Pin SATA power supply cable          Only the above package content, other products are not included.     Note: Light shooting 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.