>>13857688
If you're going to bother with 1440p anything, you'll need a fuckton more storage than a single terabyte. I recommend at least 2, more would be better though.
That resolution really makes things hard and gayman in general makes it hard to tell. I'd look up benchmarks because crysis 3 is one of the most benchmarked games, jewtube would be good for that but you should be fine in terms of being able to get 30 FPS on ultimate settings with that rig. You might have some dips when the explosions really get bad and the screen gets filled though.
Ryzen CPUs are generally best for multitasking and any tasks involving multithreading. Not so much for single core performance. Its adequate enough to where you should be okay though.
https://www.anandtech.com/show/11278/amd-radeon-rx-580-rx-570-review/9
Basically you should get around 39ish FPS or so on max settings (assuming your CPU isn't bottlenecking it)
In terms of your monitor, Lenovo is hit or miss. They're also a chinese company as well so bear that in mind.
Your mobo should be fine, unfortunately I don't know as much about AMD mobos as I do about intel so I can't comment too much on that but from what I do know about it it seems reasonable enough. If you think you might get a second 580 in the future for crossfire it might be worth upping to an X370 but you should be fine to be honest.
You should be fine OP
>>13857698
Go to system tools and check system information