Just use the command

sudo dmidecode --type 17[/code]

[email protected]:~/apps/tor-browser_en-US$ sudo dmidecode --type 17

[sudo] password for droidzone:

# dmidecode 2.11

SMBIOS 2.4 present.

Handle 0x002C, DMI type 17, 27 bytes

Memory Device

Array Handle: 0x002A

Error Information Handle: Not Provided

Total Width: 64 bits

Data Width: 64 bits

Size: 1024 MB

Form Factor: DIMM

Set: None

Locator: CHANNEL_A

Bank Locator: CHANNEL_A DIMM0

Type: DDR2

Type Detail: Synchronous

Speed: 667 MHz

Manufacturer: Manufacturer0

Serial Number: SerNum0

Asset Tag: AssetTagNum0

Part Number: PartNum0

Handle 0x002E, DMI type 17, 27 bytes

Memory Device

Array Handle: 0x002A

Error Information Handle: Not Provided

Total Width: 64 bits

Data Width: 64 bits

Size: 2048 MB

Form Factor: DIMM

Set: None

Locator: CHANNEL_B

Bank Locator: CHANNEL_B DIMM0

Type: DDR2

Type Detail: Synchronous

Speed: 800 MHz

Manufacturer: Manufacturer1

Serial Number: SerNum1

Asset Tag: AssetTagNum1

Part Number: PartNum1.

[/code]
Joel G Mathew
Joel G Mathew, known in tech circles by the pseudonym Droidzone, is an opensource and programming enthusiast.
He is a full stack developer, whose favorite languages are currently Python and Vue.js. He is also fluent in Javascript, Flutter/Dart, Perl, PHP, SQL, C and bash shell scripting. He loves Linux, and can often be found tinkering with linux kernel code, and source code for GNU applications. He used to be an active developer on XDA forums, and his tinkered ROMS used to be very popular in the early 2000s.
His favorite pastime is grappling with GNU compilers, discovering newer Linux secrets, writing scripts, hacking roms, and programs (nothing illegal), reading, blogging. and testing out the latest gadgets.
When away from the tech world, Dr Joel G. Mathew is a practising ENT Surgeon, busy with surgeries and clinical practise.