1、For GPU Dock: For device chip JHL7440 used to break the 22Gbps limitation of JHL6 series and the neutering of JHL8 series PCIE X1. 2、Function: Compatible with GPU dock, you can use the docking station to connect external graphics cards to improve gaming performance. 3、Daisy Chain Support: The port supports daisy chain for excellent performance. Enables 32Gbps data transfer with PCIE3.0X4. 4、Power Supply: Support ATX, SFX for FLEX and other power supplies. Supports PD charging (up to 60W). 5、Easy To Install: Equipped with SFX and ATX brackets for easy installation of graphics cards, power supplies and docking. Item Type: Graphics Docking Station Material: Aluminum Alloy Model: TH3P4G3 Product Size: Approx.166 x 91 x 28mm / 6.5 x 3.6 x 1.1in Transfer Rate: 40Gbps Usb3.0: 5Gbps Daisy Chain: Support Power Supply: ATX SFX FLEX Other Graphics Card Size Support: Unlimited PD Charging: Maximum 20V3A 60W Usb Function: USB: 5V2A, Type C: 5V3A 1 x Graphics Card Docking Station 1 x ATX Bracket 1 x SFX Bracket 1 x Data Cable 2 x Screws 2 x Plastic Block 1 x Screwdriver 1 x User Manual