Features: Brand new and high quality Suitable for the laptop have Thunderboltcompatible 3 or Thunderboltcompatible 4 interfaces. Easy to use. There is user maunal with the product. Suitable for most mainstream graphics cards Support 85W reverse charging (for Laptop) Come with SFXandATX holder, be convenient to install the graphics card, power supply and dock together. Note: Graphics Card and power supply is not included! This version support up to 85W reverse PD charging for laptop via thunderboltcompatible port. Solved the problem where the old version of 65W cannot meet the needs of some laptops. TH3P4G3 thunderboltcompatible dock is used to connect the laptop with thunderbolt4/3 interfaces to external graphics card. Then the laptop can play games or do some work which need performances graphics card. Specifications: Material:Plastic+Metal Model: TH3P4G3 Thunderboltcompatible 3/4 Speed: 40GB/S Size:Approx. 200x140x40mm/7.87x5.51x1.57inch USB3.0 port extension:5Gbps Thunderboltcompatible: Max5V 3A Thunderboltcompatible/PD: Max85W USB3.0: Max5V 2A Note: 1.It does not support theMacbook with M1M2 chip. 2. When you use MacOSMacbook, it only support AMDversion graphics card. And when you use Windows system forMacbook, it only supportNvidia version graphics card. 3.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set GPU Dock