Giving a boost to a PC that has become a bit sluggish over the years can be done in several ways. The simplest very often consists of replace an aging mechanical hard drive with an SSD. Most of the time this is enough to breathe new life into a PC that was thought to be at the end of its life.

But it is also sometimes necessary to take a look at the side of the installed RAM. Over time, RAM prices have dropped drastically, allowing as many people as possible to update a somewhat dated configuration at a lower cost. Yes the installation of RAM modules in a PC is accessible to all, it is also necessary to know the type of RAM to choose, and the maximum quantity that can be installed on your computer. And a few command lines are enough to know everything.

1. Open the command prompt

Start by opening the Windows Command Prompt. To do this, you can click on the Start menu, search for Command Prompt and double-click on the program to open it.

You can also access it using the keyboard shortcut Windows + R, then by issuing the command cmd in the window Execute that is displayed.

2. Determine the maximum amount of installable RAM

To find out the maximum amount of RAM that can be installed on your PC, simply type the following command and confirm with the Enter key.

wmic memphysical get MaxCapacity, MemoryDevices

The Command Prompt window should then display two pieces of information: the maximum capacity of installable RAM (MaxCapacity), and the number of existing slots (MemoryDevices).

Based on this information, you will be able to decide how much RAM to install. In our example, our machine can only accommodate a single RAM module, with a maximum capacity of 16 GB (16777216 KB).

For a machine that says, for example, a maximum RAM capacity of 16 GB but has 2 slots, you will have to choose to install two 8 GB modules.

3. Determine the type of RAM to install

To know the type of RAM modules compatible with your machine, you will not need to enter a command line. A little tour in the Task Manager Windows 10 is enough. To open it, click on the Start menu and type its name, or use the key combination Ctrl + Alt + Del, then click Task Manager.

Then go to the tab Performances, and enter the section dedicated to Memory.

At the bottom of the window, you will find the specifications of the memory installed on your machine (speed and format in particular), as well as the number of memory locations available.

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