ITEM NAME:24 Pin SATA Dual PSU Power Synchronizer Start Extender Card for BTC Miner Description: - Use this product can be two small power supply in series at the same time on and off, thereby increasing the power supply. - Small, lightweight and true plug n play, the adapter allows you to add more power to your computer. No cutting wires or soldering, no compromising the integrity or function of your pc. - Now there is a way to add more power to your pc. Finally a true plug and play way to manage additional power for those big video cards, bigger hard drives, cooling fans and cool lighting arrangements that everybody wants. Adding more power does not mean that you use more, you just have more to use. - You get better power distribution than just using one power supply and you share the load with having more units. - To use, plug a SATA connector from the primary power supply and the 24 pin atx connector from the secondary power supply into the unit. When the primary power supply is.1 Piece 24Pin to SATA Power Card for BTC Miner. - Interface: SATA. - Now there is a way to add more power to your pc. No cutting wires or soldering, no compromising the integrity or function of your pc.