memory board vs storage

memory board and storage both are nouns.

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

As nouns, memory board and storage are synonyms defined as:

Other synonyms of memory board include computer memory, computer storage, memory, store.

memory board (noun)	storage (noun)
an electronic memory device	the commercial enterprise of storing goods and materials
	the act of storing something
	depositing in a warehouse
	a depository for goods
	an electronic memory device
	(computer science) the process of storing information in a computer memory or on a magnetic tape or disk