Need help finding PSU and Case

[dsong98]

This is my first PC build, I've already chosen the internals basically, and purchased some of them:

https://pcpartpicker.com/user/dsong98/saved/g6m9NG

 

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Ryzen 5 3600

Radeon 5700xt

MSI b450 Tomahawk Max

Corsair Vengeance LPX 16 GB (2 x 8 GB) DDR4-3200 CL16 Memory

Western Digital SN750 500 GB M.2-2280 NVME Solid State Drive

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Questions:

1. Not sure what PSU to get, but I think one that is 550-600 watts? One person recommended Antec Earthwatts Gold Pro 550 W 80+ Gold Certified Semi-modular ATX Power Supply
2. For case: debating between NZXT h510, Meshify C, Metallic Gear Neo Air ATX. Any other recs?
3. Do I need cpu cooler? Thinking of getting hyper 212, but seems like a hassle to make sure it has the mounting bracket. If I didn't get it, I could just spend that money on the Meshify C instead which has pretty good airflow.

[zeusthemoose]

1: I always recommend cooler master mwe gold. 650w is around $100

 

2: meshify c is great

 

3: stock should be good enough. You can always try it out at first and if you are getting really high temps buy another later