You're stuck at a low point. All components—board, RAM, peripherals, fans, drives—require power and suffer from efficiency losses. A 45W rating isn't worth much unless you expect the system to run idle for a decade, which could save you around $100.
You're stuck at a low point. All components—board, RAM, peripherals, fans, drives—require power and suffer from efficiency losses. A 45W rating isn't worth much unless you expect the system to run idle for a decade, which could save you around $100.