It is used to turn the large 4P port of the chassis power supply into an 8P graphics card power port. If this power supply is not connected, there will be a warning that the graphics card has insufficient power supply and the graphics card will be used at a reduced frequency or will not display when booting! However, ordinary or old-fashioned power supplies do not have that For the power interface, this conversion cable can provide stable power supply to your graphics card! Solve this problem easily