How Can I Get Total RAM in C#?

Accessing Total System RAM in C#

While C#'s PerformanceCounter class offers system performance data, directly obtaining total RAM isn't intuitive. A more efficient approach leverages the Microsoft.VisualBasic assembly.

Employing the Microsoft.VisualBasic Assembly

Add a reference to the Microsoft.VisualBasic assembly to your project. This grants access to the ComputerInfo class:

<code class="language-csharp">using Microsoft.VisualBasic.Devices;

ComputerInfo computerInfo = new ComputerInfo();</code>

Retrieving and Converting RAM Data

The ComputerInfo class exposes the TotalPhysicalMemory property, returning the total physical RAM in bytes:

<code class="language-csharp">long totalRAMBytes = computerInfo.TotalPhysicalMemory;</code>

For easier readability, convert bytes to megabytes (MB) or gigabytes (GB):

<code class="language-csharp">double totalRAMMB = totalRAMBytes / (1024.0 * 1024.0);
double totalRAMGB = totalRAMMB / 1024.0;</code>

This concise code provides a straightforward method for determining total system RAM within a C# application.

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