Архивы Theory and tables

Dependence of Noise, Airflow, and Current on the Power of a 120 mm Fan

By Admin 10.01.2026

This article presents the key characteristics of popular 120 mm fans.The data provided is generalized and does not refer to any specific model. 120mm fan speq table below. Power (W)…

USB Data Transfer Speeds Explained – How Fast Is USB?

By Admin 12.11.2025

What is the data transfer speed of USB? A very important question arises: which USB port should you plug your device into, and does it really matter? First, let’s clear…

What Does the Color of a USB Port Mean?

By Admin 11.11.2025

You’ve probably noticed that USB ports come in different colors. But what do they actually mean? In the past, all USB ports were black, and nobody really paid much attention…