A:AnswerThere are limited expansion ports in this model. You could use an external capture card for sure. Here are the Desktops full specs: https://support.hp.com/us-en/document/c05380412
A:AnswerThank you for taking the time to reach out. While the parts in this PC are standard sizes I cannot confirm if it would fit in a third party case.
A:AnswerThere's four listed with the motherboard: System fan connector, VRM fan connector, CPU fan connector, and a pump fan connector: https://support.hp.com/us-en/document/c05369438
A:AnswerIf you are within the return period of your PC you can exchange it. You can also reach out to Best Buy to get their trade in values on older tech.