Where are my memory modules located inside an ESXi host?

I found this very simple one liner for showing which DIMM slots are populated and which ones are free inside an ESXi host.

I have not yet found a way to do this via ESXCLI but this will do for now:

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

Running the above will produce something similar to the below:

 Size: 0x00018
 ROM Size: 8192 kB
 Max. Speed: 4000 MHz
 Current Speed: 2100 MHz
 Location: 0x00 (Internal, Not Socketed)
 Max. Size: 384 kB
 Current Size: 384 kB
 Location: 0x00 (Internal, Not Socketed)
 Max. Size: 1536 kB
 Current Size: 1536 kB
 Location: 0x00 (Internal, Not Socketed)
 Max. Size: 15360 kB
 Current Size: 15360 kB
 Location: 0x03 (Motherboard)
 Max. Size: 192 GB
 Location: "Cpu1_DimmA1"
 Size: 4 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmA2"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmA3"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmB1"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmB2"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmB3"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmC1"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmC2"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmC3"
 Size: 8 GB
 Speed: 1066 MHz
 Location: "Cpu1_DimmD1"
 Size: No Memory Installed
 Location: "Cpu1_DimmD2"
 Size: No Memory Installed
 Location: "Cpu1_DimmD3"
 Size: No Memory Installed
 Location: 0x03 (Motherboard)
 Max. Size: 128 GB
 Location: "Cpu2_DimmA1"
 Size: No Memory Installed
 Location: "Cpu2_DimmA2"
 Size: No Memory Installed
 Location: "Cpu2_DimmB1"
 Size: No Memory Installed
 Location: "Cpu2_DimmB2"
 Size: No Memory Installed
 Location: "Cpu2_DimmC1"
 Size: No Memory Installed
 Location: "Cpu2_DimmC2"
 Size: No Memory Installed
 Location: "Cpu2_DimmD1"
 Size: No Memory Installed
 Location: "Cpu2_DimmD2"
 Size: No Memory Installed

A little formatting is required to make this easier to read:

 Location: "Cpu1_DimmA1"
 Size: 4 GB
 Speed: 1066 MHz
 
 Location: "Cpu1_DimmA2"
 Size: 8 GB
 Speed: 1066 MHz
 
 Location: "Cpu1_DimmA3"
 Size: 8 GB
 Speed: 1066 MHz
 
 Location: "Cpu1_DimmB1"
 Size: 8 GB
 Speed: 1066 MHz

etc

Graham

Graham is a seasoned expert in VMware and Microsoft solutions, bringing deep expertise from his 20 years' experience and senior engineering work at Tesla and Dell Technologies in the UK. He focuses on cutting-edge virtualization and storage projects. A VMware Certified Implementation Expert, 10x VMware vExpert, and Moderator on the official Broadcom forums, Graham is a trusted community resource. Connect with him on X.com for insights! https://x.com/VirtualG_UK

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