compatibility between case and psu

I had to change my plans of a new build. I'm now trying to choose a psu and case that work together. I have a Ryzen 7 5700G, 2x8 GB DDR4 4000 RAM, an MSI MAG 550B Tomahawk mobo, a CD/DVD drive and two HDDs. Wattage Calculators at two different sites estimated 217W or so for a PSU given those...