1. Aluminum alloy shell heat dissipation back plate, CNC cutting process, increased heat dissipation area by 150%. 2. Up to 600W Output: This adapter supports for RTX4090 with a maximum output of 600W. It is designed with 2oz copper plating and multi layer boards, effectively dissipating heat and stably transmitting current. Long term use of power output exceeding 600W may cause equipment damage. 3. 180Turn Design: Connect the power cord and GPU interface, without causing pressure on the GPU graphics card interface, and long-term stable use. 4. Strong Compatibility: Designed specifically for RTX 4090 4080 4070 Ti 3090 Ti graphics cards, please note that the adapter in different directions may be suitable for different graphics card ! Compatibility: Forward STD: The four pin interface is not close to the backplane and is in the forward direction For example: for STRIX RTX4090, for TUF RTX 4090 GAMING Purchase instructions: Step 1: Confirm the number of pins on the graphics card power interface : Confirm the orientation of the interface Attention: Please pay attention to the direction of the GPU connector before purchasing (forward or reverse) Kind reminder: This connector is 16Pin (12+4PIN)! Type:D:Black STD Colour:Black Material:Plastic+aluminum alloy Package Contents: 1 * Power Supply Connector Only the above package content, other products are not included. Note: Light reflection 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.