Check Hardware Information On Linux via Command Line

There are many commands available to check hardware information of your Linux system. Some commands report only specific hardware components like CPU or memory while the rest cover multiple hardware units.

This tutorial takes a quick look at some of the most commonly used commands to check information and configuration details about various hardware devices.

Source: Check Hardware Information On Linux via Command Line (Make Tech Easier)

Link: Linux Basics: How To Find Maximum Supported RAM By Your System

Mostly, you will find maximum supported RAM by your system from the BIOS, Product catalog, or manuals. Here is the simple, yet useful trick, to find out maximum supported RAM using Dmidecode without opening the system chassis or referring the BIOS, product catalogs.

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Linux Basics: How To Find Maximum Supported RAM By Your System (Unixmen)