The adapter card adopts imported MOS tube to switch on and off to ensure the effectiveness of the switch.he adapter card uses LEDs to display the working voltage of the power supply in real time.The adapter card adopts multi-layer PCB technology to ensure that the PCB board will not be hot when the PCB is in high current.The power synchronization switch is added to realize the function of switching on and off synchronously with the main power supply.The LED voltage display can display the voltage of the main PSU in real timeProduct Name: Power Supply Breakout Board Adapter for ETH/BTC MiningOutput Power: 12VApplicatioin: For mining graphics card powerColour: PurpleMaterial: PCBPackage Contents:1 x Adapter BoardOnly 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.