Check RAM speed and type on Linux

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]