The quick answer
Look up your exact laptop model and check for documented external graphics support. A USB-C connector describes the shape, and USB4 describes the connection. Neither label alone confirms that your laptop works with a particular eGPU.
1. Identify the laptop and the port
Find the full model number in system settings or on the label. Read the manufacturer’s manual and identify which port supports USB4 or Thunderbolt. If the laptop has several identical-looking ports, match the one shown in the manual.
2. Check both sides of the connection
Look for eGPU support in the laptop documentation and for supported ports, operating systems and cables in the enclosure documentation. If a spec only lists charging, displays or USB4 speed, ask the manufacturer to confirm external PCIe graphics for your exact model.
3. Match the setup to your workload
For a gaming test, run the same scene at the same resolution with and without the eGPU. For editing, export the same project. Use the supplied or recommended cable and follow the manufacturer’s instructions for power, drivers and display connection.
A real example
ASUS says its XG Core Radeon RX 9060 XT LP works over USB4 with compatible systems and also lists compatible Thunderbolt 3 systems. That wording makes the host model part of the purchase decision. If either manufacturer leaves your configuration unconfirmed, treat compatibility as unresolved.