Version 006c 6 pin riser 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. 4 High Quality Solid Capacitors, Voltage Regulation, and Overcurrent Protection 6-pin PCI-E power to 15-pin SATA power cable for direct connection to your power supply reduces the power burden on your motherboard and ensures maximum compatibility with your power supply. Plug and play, no driver needed to install. PCI-E card can be inserted in any PCI-E slot: 1x, 4x, 8x, or 16x USB 3.0 riser cable enabling flexibility in the placement of your PCI-E devices.