How to Tell What Type of Memory Your Linux PC Has Installed

If you are looking to upgrade the memory in your Linux PC, you are probably wondering how many open slots you have, what type of memory is already installed, and what you need to buy for an upgrade… without having to open your computer.

Since you shouldn’t have to open up the computer just to figure out what you have installed, here’s how to detect the type of memory your Linux PC has installed without having to open up the case.

Note: be sure to read our article on how to tell what type of memory your Windows PC has installed.

How to Show the Installed Memory
Open up a terminal window and type in the following command:

sudo dmidecode --type memory

example output:

# dmidecode 2.9

SMBIOS 2.3 present.

Handle 0x0005, DMI type 5, 24 bytes

Memory Controller Information

        Error Detecting Method: 8-bit Parity

        Error Correcting Capabilities:

                None

        Supported Interleave: One-way Interleave

        Current Interleave: One-way Interleave

        Maximum Memory Module Size: 1024 MB

        Maximum Total Memory Size: 4096 MB

        Supported Speeds:

                Other

        Supported Memory Types:

                Other

        Memory Module Voltage: 5.0 V

        Associated Memory Slots: 4

                0x0006

                0x0007

                0x0008

                0x0009

        Enabled Error Correcting Capabilities:

                None

Read more: How-to-geek

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