My friend is offering me a PC with a 1060 3gb, 500 watt power supply, intel I5 6400 - 2.7 ghz, 16 gb ddr4, and a Logitech g 610 metal mechanical keyboard (MX Brown switches), case, mouse, monitor, windows. He’s not sure what type of motherboard, but that too. All for $300. I know some aspects are weaker links, like maybe the CPU, but I don’t know much about computers. What’s a fair price for this build and what would I want to replace first?