What CPU bottlenecking actually means
Why every system is limited by something, why total CPU usage misleads, what a processor limit feels like, and what to do before replacing anything.
Author: Vlad
Positive versus negative case air pressure
What case air pressure actually affects, why it matters for dust rather than temperature, how to test yours with a tissue, and what matters more.
How many case fans do you need?
A configuration that works for most builds, why more fans stop helping, which positions actually matter, and how to set a curve that stays quiet.
Air cooling versus liquid cooling
What each does with the heat, why good air coolers compete with liquid, how service life differs, and where to mount a radiator.
ATX versus Micro-ATX versus Mini-ITX
What each form factor actually costs you, why Micro-ATX deserves more consideration than it gets, and the E-ATX trap.
What 80 PLUS ratings actually mean
What the certification measures, the important things it does not, how to work out the real saving, and what to look at instead.
How much PSU wattage do you need?
Direct capacity recommendations by build type, the arithmetic behind them, how an undersized supply announces itself, and whether a larger one wastes power.
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