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If you want to find out the maximum amount of RAM your laptop can support using Command Prompt, here’s a simple step-by-step guide you can follow:
First, press the Windows key and the R key at the same time to open the Run dialog box. When the box appears, type “cmd” into it and press Enter. This will open the Command Prompt window.
Next, in the Command Prompt, copy and paste this command:
wmic memphysical get MaxCapacity, MemoryDevices
Then press Enter.
You will see two numbers displayed. The number labeled MaxCapacity is the maximum RAM your laptop can handle, but it will be in kilobytes (KB). The other number, MemoryDevices, shows how many RAM slots your laptop has — typically it’s “2” for many laptops.
To convert the maximum capacity from KB to GB, take the MaxCapacity number and divide it by 1,048,576 (which is 1024 x 1024). The resulting number will be the maximum supported RAM in gigabytes (GB).
Knowing this helps you decide how much RAM to upgrade to if you want better performance. Just remember to check the specific laptop model for any additional RAM upgrade limitations.



