How to check memory in Linux

Eric P
2017-10-12 22:42

 This is helpful to see the type of memory you need to purchase, in case of upgrades or replacements.

 

sudo dmidecode --type 17

 

# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.

Handle 0x0034, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 16384 MB
Form Factor: DIMM
Set: None
Locator: DIMM1_CPU1
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Samsung-00CE
Serial Number: 122AD394
Asset Tag: 031443
Part Number: M393B2G70QH0-CMA
Rank: 2

Handle 0x0036, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM3_CPU1
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Hyundai-00AD
Serial Number: 364997DC
Asset Tag: 011211
Part Number: HMT325R7CFR8C-PB
Rank: 1

Handle 0x0038, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 8192 MB
Form Factor: DIMM
Set: None
Locator: DIMM2_CPU1
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Hyundai-00AD
Serial Number: 429962C5
Asset Tag: 011218
Part Number: HMT31GR7CFR4C-PB
Rank: 2

Handle 0x003A, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM4_CPU1
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Hyundai-00AD
Serial Number: 365997F5
Asset Tag: 011211
Part Number: HMT325R7CFR8C-PB
Rank: 1

Handle 0x003C, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 8192 MB
Form Factor: DIMM
Set: None
Locator: DIMM1_CPU2
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Hyundai-00AD
Serial Number: 2C30AD87
Asset Tag: 011232
Part Number: HMT31GR7CFR4C-PB
Rank: 2

Handle 0x003E, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM3_CPU2
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Hyundai-00AD
Serial Number: 367997F5
Asset Tag: 011211
Part Number: HMT325R7CFR8C-PB
Rank: 1

Handle 0x0040, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 16384 MB
Form Factor: DIMM
Set: None
Locator: DIMM2_CPU2
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Samsung-00CE
Serial Number: 122AD346
Asset Tag: 031443
Part Number: M393B2G70QH0-CMA
Rank: 2

Handle 0x0042, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0032
Error Information Handle: No Error
Total Width: 72 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM4_CPU2
Bank Locator: Not Specified
Type: DDR3
Type Detail: Registered (Buffered)
Speed: 1067 MHz
Manufacturer: Hyundai-00AD
Serial Number: 367997DD
Asset Tag: 011211
Part Number: HMT325R7CFR8C-PB
Rank: 1



 

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