Meanwhile, if you’re building a small form factor (SFF) PC, many SFF cases do still use full-size power supplies ... a quality high-efficiency 500W supply should do the job, though you might ...

For low to medium-range PC builds, I would recommend a 500W to 750W power supply. Less capable GPUs don't draw too much power ...

The following terms are reproduced with permission from PC Power & Cooling, Inc., Carlsbad, California, a manufacturer of quality power supplies. Airflow rated in cubic feet per minute.