A main memory of 4GB is sufficient, but with 8GB you will be much more comfortable. No more than 20GB is required for the pure virtualized Windows operating system. Scenario 2: ...

The main processor (CPU, “Central Processing Unit”), the main memory (RAM, “Random-Access Memory”), and the dedicated graphics card with its graphics processor (GPU, “Graphics Processing ...

Well, memory's important for computers, period, but the specific performance of your PC's main memory is particularly pertinent for Ryzen systems, as enthusiasts are well-aware.