Getting ddr type RAM from computer

Download →CPU-Z

download this software and run it, and open tab named memory and check RAM type ddr1,ddr2,ddr3.ddr4

OR

you can use CMD to get details

goto→CMD→goto→C:\Windows\System32\wbem>

Then type

wmic MemoryChip get BankLabel, Capacity, MemoryType, Ty

peDetail, Speed

i.e.

C:\Windows\System32\wbem>wmic MemoryChip get BankLabel, Capacity, MemoryType, Ty

peDetail, Speed

OUTPUT

C:\Windows\System32\wbem>wmic MemoryChip get BankLabel, Capacity, MemoryType, Ty

peDetail, Speed

BankLabel      Capacity    MemoryType  Speed  TypeDetail

CHAN B DIMM 0  2147483648  21          667    128

This 21 →DDR2