Currently my build is a ryzen 5 2600, XFX RX 580 GB, 1 tb WD blue hard drive, 120 GB Kingston ssd, 1, 8 GB stick of ddr4 hyperX ram, and some gigabyte motherboard I do not know off the top of my head. I was wondering if I really need 16 GB of RAM? I mainly use my computer for school work and...