Vroooom

All I'll say is use more sources than just this one thread on this one site

Wow, so in this thread, B350 is "junk", and you need an X370 board. The internet is so random

Set your 1440p monitor to 1080p to get an idea of what interpolation looks like. Set your 1440p monitor to 720p to get an idea of what 1080p on a 4K display would be like.

Take your normal monitor, turn off vsync, and play a game in fullscreen. You'll see screen tearing Turn on Vsync. You won't have screen tearing, but you'll see your framerate drop all the way to 30 whenever it goes below 60 With Freesync / Gsync, you get the full framerate, plus no screen tearing

Get the $150 24 inch 1080p 144hz Black Friday deal from Microcenter

That's actually single channel. The memory in each channel has to be the same capacity and configuration

12GB? Are you running single channel or dual channel memory? For more performance, you'll want to run dual channel

The official oculus rift min and recommended specs: Recommended Specs Graphics Card NVIDIA GTX 1060 / AMD Radeon RX 480 or greater Alternative Graphics Card NVIDIA GTX 970 / AMD Radeon R9 290 or greater CPU Intel i5-4590 / AMD Ryzen 5 1500X or greater Memory 8GB+ RAM Video Output Compatible HDMI 1.3 video output USB Ports 3x USB 3.0 ports, plus 1x USB 2.0 port OS Windows 7 Minimum Specs Graphics Card NVIDIA GTX 1050 Ti / AMD Radeon RX 470 or greater Alternative Graphics Card NVIDIA GTX 960 4GB / AMD Radeon R9 290 or greater CPU Intel i3-6100 / AMD Ryzen 3 1200, FX4350 or greater Memory 8GB+ RAM Video Output Compatible HDMI 1.3 video output USB Ports 1x USB 3.0 port, plus 2x USB 2.0 ports OS Windows 8.1 or newer

Not really. The best you can put in that board is another 4 core APU. You can find a used 1155 or 1150 motherboard and CPU and reuse your DDR3

8100 yes, 8400 no

If you browse the monitors on Newegg, you'll find a few that claim to switch between 4k60 and 1080p144. I would be careful, since afaik no one has reviewed any of them

Google boot to safe mode in win 10

Yep

Guys, just let him spend his money. Of course it's super overkill and irrational. But so is a $4000 bicycle or whatever expensive crap people buy when they're enthusiasts. The 7980XE doesn't even give the most raw performance for OP's main use case, but that's not really the point, and it's close enough.

If your monitor is 60Hz, then no