Useful for not only the local machine, but, for example, a remote node you’ve ssh’d into.

Using lshw


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<strong>sudo lshw -C memory</strong>



  *-memory

       <strong>description: System Memory</strong>

       physical id: 3b

       slot: System board or motherboard

       <strong>size: 8GiB</strong>

     *-bank:0

          <strong>description: DIMM DDR4 Synchronous 2133 MHz</strong> (0,5 ns)

          <strong>product: 9905622-058.A00G</strong>

          <strong>vendor: Kingston</strong>

          physical id: 0

          <strong>serial: 15362215

</strong>          <strong>slot: DIMM_A1</strong>

          <strong>size: 8GiB</strong>

          width: 64 bits

          <strong>clock: 2133MHz</strong> (0.5ns)

     *-bank:1

          <strong>description: [empty]</strong>

          physical id: 1

          slot: DIMM_B1

Or the short version:


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<strong>sudo lshw -short -C memory</strong>

H/W path Device Class Description

============================================================

/0/0 memory 64KiB BIOS

/0/36 memory 64KiB L1 cache

/0/37 memory 64KiB L1 cache

/0/38 memory 512KiB L2 cache

/0/39 memory 3MiB L3 cache

<strong>/0/3b memory 8GiB System Memory

/0/3b/0 memory 8GiB DIMM DDR4 Synchronous 2133 MHz (0,5 ns)

/0/3b/1 memory [empty]</strong>

/0/100/1f.2 memory Memory controller

Using dmidecode


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<strong>sudo dmidecode -t memory</strong>

# dmidecode 3.0

Getting SMBIOS data from sysfs.

SMBIOS 3.0.0 present.



Handle 0x003B, DMI type 16, 23 bytes

Physical Memory Array

    Location: System Board Or Motherboard

    Use: System Memory

    Error Correction Type: None

    <strong>Maximum Capacity: 32 GB</strong>

    Error Information Handle: Not Provided

    Number Of Devices: 2



Handle 0x003C, DMI type 17, 40 bytes

Memory Device

    Array Handle: 0x003B

    Error Information Handle: Not Provided

    Total Width: 64 bits

    Data Width: 64 bits

    <strong>Size: 8192 MB</strong>

    <strong>Form Factor: DIMM

</strong>   Set: None

    Locator: DIMM_A1

    Bank Locator: BANK 0

    <strong>Type: DDR4

    Type Detail: Synchronous

    Speed: 2133 MHz

    Manufacturer: Kingston</strong>

    Serial Number: 15362215

    Asset Tag: 9876543210

    Part Number: 9905622-058.A00G    

    Rank: 1

    <strong>Configured Clock Speed: 2133 MHz</strong>

    Minimum Voltage: Unknown

    Maximum Voltage: Unknown

    <strong>Configured Voltage: 1.2 V</strong>



Handle 0x003D, DMI type 17, 40 bytes

Memory Device

    Array Handle: 0x003B

    Error Information Handle: Not Provided

    Total Width: Unknown

    Data Width: Unknown

    <strong>Size: No Module Installed

</strong>   Form Factor: Unknown

    Set: None

    Locator: DIMM_B1

    Bank Locator: BANK 2

    Type: Unknown

    Type Detail: None

    Speed: Unknown

    Manufacturer: Not Specified

    Serial Number: Not Specified

    Asset Tag: Not Specified

    Part Number: Not Specified

    Rank: Unknown

    Configured Clock Speed: Unknown

    Minimum Voltage: Unknown

    Maximum Voltage: Unknown

    Configured Voltage: Unknown