Color:4-Pack Instruction: 4 High Quality Solid Capacitors for stable and safe power delivery. Multiple Voltage Regulation Components.(Voltage Regulating Diode and Linear Regulator) Overcurrent Protection (Surface Mounted Fuse) to safeguard your components in the event of a short circuit. 60cm USB 3.0 riser cable enabling flexibility in the placement of your PCI-E devices. 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. Gold plated contacts for flawless connectivity and a long lifespan. 1x adapter PCI-E card can be inserted in any PCI-E Slot: 1x, 4x, 8x, or 16x. The perfect solution for setting up Ethereum mining rigs, whether small open air rigs or large rack based miners. 4 Holes For attaching the riser card to your rig. No drivers needed to install. Board size: 13cm x 4.4cm x 1.2cm. Your Parcel Includes: 4x PCI-E 16X riser board. 4x PCI-E 1X adapter card. 4x 60cm USB 3.0 cable. 4x 6-pin PCI-E power to 15-pin SATA power cable.