1. In the most general sense, power-supply noise is the combination of unwanted periodic ripple and spikes combined with random noise from the devices or external sources.

One of the biggest mistakes that a relatively inexperienced system builder will make is to place all the component focus on ...

A non-modular power supply has all of its interior cables hardwired into the side. Whether you need them or not, you'll get every single cable in a tight bundle attached to the side permanently.