This upgraded docking station features dual power input interfaces, supporting a maximum input of 400W. Dual Power Interface: compatible with Lenovo Square Port or compatible with DELL 7.4*5.0. The docking station provides up to 85W of power to the computer via the Thunderbolt interface. The docking station Equipped with a chassis, the maximum supported size of the graphics card supported by this chassis is 268mm long, 133mm high, and 52m wide. If the graphics card length exceeds 262mm, it may be necessary to remove the front panel of the chassis compatible with installation. compatible with Thunderbolt/PD: Powers laptops, handheld consoles, or mini PCs via this interface. Data transfer and power supply are handled in a single cable; plug and play. 16PIN power output interface: Provides up to dual 8PIN graphics card power or 16PIN graphics card power via an adapter cable. Parameters: Model: TH3P4 GaN Interface: compatible with Thunderbolt3 *2 Chipset: JHL7440 Daisy chain: Support Supported power supply: Support GaN power supply/Laptop power supply Applicable scenarios: Portable/Desktop use PD charging: Max 85W Power interface: compatible with Lenovo Square Port or compatible with DELL 7.4*5.0 Graphics card power consumption: 400W (20V) Other functions: Synchronous start and stop (synchronous start and stop means that the docking station, graphics card and power supply start and shut down with the computer.) Special note: 1. Thunderbolt Daisy Chaining: When using one Thunderbolt port to connect a laptop, handheld console, or mini console, you can connect other devices (such as Thunderbolt-enabled monitors, hard drive enclosures, docking stations, etc. / USB devices can also be connected) to the other Thunderbolt port on the docking station. 2. Thunderbolt -Swapping: Thunderbolt data cables support -swapping. Note: Do not plug or unplug the graphics card or docking station/graphics card power cable while the docking station is powered on (green light is on). 2. Blue light indicates power off; in this state, you can plug and unplug the graphic