A:AnswerFor this system you will not need to upgrade anything for you to install either the NVIDIA 3050 or the 3060 GPU. Though if you want to go any higher you will need to upgrade your PSU.
A:AnswerAll GPUs are compatible depending upon if the PSU can support it. Otherwise you can upgrade the PSU to accommodate any GPU you wish to install.
A:AnswerHello,
I am sorry I am unsure about this question as BestBuy would be the one accepting your payment. You may want to contact their customer support to see fi they will accept your form of payment.
Best Regards,
IBP Support