Make sure that your cpu cooler will clear that RAM due to the tall heatsinks. Also make sure your gpu will run at x16 and not x8 (PCIe lanes) with that board when running dual M.2 SSD's.
It's a difficult time to be doing a build with the current state of RAM prices. With that said you want DDR5-6000 CL30 if you intend on gaming. Look for a X870E / X670E board for the extra PCIe lanes if running dual SSD's and you want your primary storage to include DRAM cache if it's in your...
I would upgrade to a board that supports PCIe 5.0 for the graphics card seeing how these new AMD and Nvidia cards support PCIe 5.0 and look at a AMD Ryzen 7 7800x3D or Ryzen 7 9800x3D plus 2x16GB DDR5-6000 CL30.
Example:
PCPartPicker Part List
CPU: *AMD Ryzen 7 7800X3D 4.2 GHz 8-Core Processor...
Pretty much any local PC / laptop repair shop will build your PC for you after you order the components for a small fee. Some even make house calls. Otherwise look at PC Specialist. What's your budget, what will be the primary use(s) of your PC and what is your resolution or do you require a...
What is your budget (Czech Koruna), what resolution do you game at, your cpu cooler, your RAM, storage, what power supply do you currently have (including age) and will you be purchasing from Czech Republic or Germany?
This cooler is within the budget and it looks to be decent.
https://www.tomshardware.com/pc-components/air-cooling/thermalright-royal-pretor-130-review
PCPartPicker Part List
CPU Cooler: *Thermalright Royal Pretor 130 81.88 CFM CPU Cooler ($44.39 @ Amazon)
Total: $44.39
Prices include...