volatile storage vs memory

volatile storage and memory both are nouns.

Word	Noun	Adjective	Verb	Adverb
volatile storage	Yes	No	No	No
memory	Yes	No	No	No

As nouns, memory is a hypernym of volatile storage; that is, memory is a word with a broader meaning than volatile storage:

volatile storage: computer storage that is erased when the power is turned off
memory: an electronic memory device

Other hypernyms of volatile storage include computer memory, computer storage, memory board, storage, store.

volatile storage (noun)	memory (noun)
computer storage that is erased when the power is turned off	an electronic memory device
	the power of retaining and recalling past experience
	the cognitive processes whereby past experience is remembered
	something that is remembered
	the area of cognitive psychology that studies memory processes