How to check RAM type DDR in centos

2 Answer(s)
Best answer

sudo lshw -short -C memory

Output:

/0/0                            memory         64KiB BIOS
/0/55/45                        memory         1MiB L2 cache
/0/55/46                        memory         256KiB L1 cache
/0/55/47                        memory         8MiB L3 cache
/0/48                           memory         32GiB System Memory
/0/48/0                         memory         8GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/48/1                         memory         8GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/48/2                         memory         8GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
/0/48/3                         memory         8GiB SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
Answered on August 5, 2021.
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Open a shell prompt and type the following command as root user:
$ sudo dmidecode --type 17
OR
$ sudo dmidecode --type 17 | more
Sample output:

# dmidecode 2.9
SMBIOS 2.4 present.

Handle 0x0018, DMI type 17, 27 bytes
Memory Device
        Array Handle: 0x0017
        Error Information Handle: Not Provided
        Total Width: 64 bits
        Data Width: 64 bits
        Size: 2048 MB
        Form Factor: DIMM
        Set: None
        Locator: J6H1
        Bank Locator: CHAN A DIMM 0
        Type: DDR2
        Type Detail: Synchronous
        Speed: 800 MHz (1.2 ns)
        Manufacturer: 0x2CFFFFFFFFFFFFFF
        Serial Number: 0x00000000
        Asset Tag: Unknown
        Part Number: 0x5A494F4E203830302D3247422D413131382D

Handle 0x001A, DMI type 17, 27 bytes
Memory Device
        Array Handle: 0x0017
        Error Information Handle: Not Provided
        Total Width: Unknown
        Data Width: Unknown
        Size: No Module Installed
        Form Factor: DIMM
        Set: None
        Locator: J6H2
        Bank Locator: CHAN A DIMM 1
        Type: DDR2
        Type Detail: None
        Speed: Unknown
        Manufacturer: NO DIMM
        Serial Number: NO DIMM
        Asset Tag: NO DIMM
        Part Number: NO DIMM

 

Answered on August 5, 2021.
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