root@pve5:~# dmidecode -t memory

dmidecode 3.3

Getting SMBIOS data from sysfs.
SMBIOS 3.3.0 present.

Handle 0x000E, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 128 GB
Error Information Handle: 0x000D
Number Of Devices: 2

Handle 0x0015, DMI type 17, 92 bytes
Memory Device
Array Handle: 0x000E
Error Information Handle: 0x0014
Total Width: 64 bits
Data Width: 64 bits
Size: 16 GB
Form Factor: SODIMM
Set: None
Locator: DIMM 0
Bank Locator: P0 CHANNEL A
Type: DDR4
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 2667 MT/s
Manufacturer: Unknown
Serial Number: 00000169
Asset Tag: Not Specified
Part Number: VHA19ASSRAG8T-AG26SD
Rank: 1
Configured Memory Speed: 2667 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V
Memory Technology: DRAM
Memory Operating Mode Capability: Volatile memory
Firmware Version: Unknown
Module Manufacturer ID: Bank 7, Hex 0x6D
Module Product ID: Unknown
Memory Subsystem Controller Manufacturer ID: Unknown
Memory Subsystem Controller Product ID: Unknown
Non-Volatile Size: None
Volatile Size: 16 GB
Cache Size: None
Logical Size: None

Handle 0x0018, DMI type 17, 92 bytes
Memory Device
Array Handle: 0x000E
Error Information Handle: 0x0017
Total Width: 64 bits
Data Width: 64 bits
Size: 16 GB
Form Factor: SODIMM
Set: None
Locator: DIMM 0
Bank Locator: P0 CHANNEL B
Type: DDR4
Type Detail: Synchronous Unbuffered (Unregistered)
Speed: 2667 MT/s
Manufacturer: Unknown
Serial Number: 00000170
Asset Tag: Not Specified
Part Number: VHA19ASSRAG8T-AG26SD
Rank: 1
Configured Memory Speed: 2667 MT/s
Minimum Voltage: 1.2 V
Maximum Voltage: 1.2 V
Configured Voltage: 1.2 V
Memory Technology: DRAM
Memory Operating Mode Capability: Volatile memory
Firmware Version: Unknown
Module Manufacturer ID: Bank 7, Hex 0x6D
Module Product ID: Unknown
Memory Subsystem Controller Manufacturer ID: Unknown
Memory Subsystem Controller Product ID: Unknown
Non-Volatile Size: None
Volatile Size: 16 GB
Cache Size: None
Logical Size: None

root@pve5:~#

root@pve3:~# dmidecode -t memory

dmidecode 3.3

Getting SMBIOS data from sysfs.
SMBIOS 2.8 present.

Handle 0x000D, DMI type 16, 23 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 32 GB
Error Information Handle: Not Provided
Number Of Devices: 2

Handle 0x000E, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x000D
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 16 GB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR4
Type Detail: Synchronous
Speed: 2400 MT/s
Manufacturer: 0000
Serial Number: 01041814
Asset Tag: 9876543210
Part Number: 0
Rank: 2
Configured Memory Speed: 2400 MT/s
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: 1.2 V

Handle 0x000F, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x000D
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 16 GB
Form Factor: SODIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: DDR4
Type Detail: Synchronous
Speed: 2400 MT/s
Manufacturer: 0000
Serial Number: 01041837
Asset Tag: 9876543210
Part Number: 0
Rank: 2
Configured Memory Speed: 2400 MT/s
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: 1.2 V

root@pve3:~#