A:AnswerThis doesn't have a power connector for GPU cards. It's a standard ATX PSU size so you could swap it out. It's mounted on the top of the tower.
A:AnswerYes, this PC has the following expansion slots: 2x PCIe® 3.0 x 1, 1x PCIe® 4.0 x 16, 1x M.2 connector for WiFi, 2x M.2 connector for storage, and 2x DDR4 U-DIMM slot.
A:AnswerYou need to configure the second monitor inside the Display Properties. For tutorials, please go to: https://support.microsoft.com/en-us/windows/set-up-dual-monitors-on-windows-3d5c15dc-cc63-d850-aeb6-b41778147554