It is important to check the power supply requirements of your new video card before connecting it. Most video cards will have a minimum power supply requirement listed in their specifications. You can also check the wattage of your power supply unit (PSU) and compare it to the minimum requirement. If your PSU meets or exceeds the requirement, it should be compatible.
It is not recommended to use a lower wattage power supply for your new video card. The video card requires a certain amount of power to function properly and using a lower wattage PSU may result in insufficient power supply and cause performance issues or even damage the card.
Most video cards will require at least one power connector, but some may require multiple depending on their power requirements. It is important to use all the required power connectors to ensure proper functioning of the video card.
Most modern video cards will have a dedicated power connector, usually a 6-pin or 8-pin connector, located on the top or side of the card. Make sure to consult the manual of your video card for the exact location of the power connector. Once located, simply plug the corresponding power connector from your PSU into the video card.
If your power supply does not have the required power connectors for your new video card, you may need to upgrade your PSU. Some video cards come with adapters that allow you to connect the required power connectors to your PSU. However, using adapters may not provide enough power for the video card and can cause performance issues. It is recommended to upgrade your PSU to ensure proper functioning of your new video card.