VMware ESXi 4.1: Identify Installed Memory Modules

To view the details of memory modules installed when running ESXi:

SSH to the host and enter the following command:

smbiosDump | grep Size

The output should be similar to the below.

    Size: No Memory Installed
    Size: No Memory Installed
    Size: 8 GB
    Size: No Memory Installed
    Size: No Memory Installed
    Size: 8 GB
    Size: No Memory Installed
    Size: No Memory Installed
    Size: 8 GB
    Size: No Memory Installed
    Size: No Memory Installed
    Size: 8 GB
    Size: No Memory Installed
    Size: No Memory Installed
    Size: 8 GB
    Size: No Memory Installed
    Size: No Memory Installed
    Size: 8 GB

Further detail, such as memory speed and slot identifier, can be displayed through the following command:

smbiosDump | grep 'Size\|Speed\|Location'


    Location: "PROC 1 DIMM 1G"
    Size: No Memory Installed
    Location: "PROC 1 DIMM 2D"
    Size: No Memory Installed
    Location: "PROC 1 DIMM 3A"
    Size: 8 GB
    Speed: 1333 MHz
    Location: "PROC 1 DIMM 4H"
    Size: No Memory Installed
    Location: "PROC 1 DIMM 5E"
    Size: No Memory Installed
    Location: "PROC 1 DIMM 6B"
    Size: 8 GB
    Speed: 1333 MHz
    Location: "PROC 1 DIMM 7I"
    Size: No Memory Installed
    Location: "PROC 1 DIMM 8F"
    Size: No Memory Installed
    Location: "PROC 1 DIMM 9C"
    Size: 8 GB
    Speed: 1333 MHz
    Location: "PROC 2 DIMM 1G"
    Size: No Memory Installed
    Location: "PROC 2 DIMM 2D"
    Size: No Memory Installed
    Location: "PROC 2 DIMM 3A"
    Size: 8 GB
    Speed: 1333 MHz
    Location: "PROC 2 DIMM 4H"
    Size: No Memory Installed
    Location: "PROC 2 DIMM 5E"
    Size: No Memory Installed
    Location: "PROC 2 DIMM 6B"
    Size: 8 GB
    Speed: 1333 MHz
    Location: "PROC 2 DIMM 7I"
    Size: No Memory Installed
    Location: "PROC 2 DIMM 8F"
    Size: No Memory Installed
    Location: "PROC 2 DIMM 9C"
    Size: 8 GB
    Speed: 1333 MHz