computer storage vs hardware

computer storage and hardware both are nouns.

Word	Noun	Adjective	Verb	Adverb
computer storage	Yes	No	No	No
hardware	Yes	No	No	No

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

computer storage: an electronic memory device
hardware: (computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system

Other hypernyms of computer storage include computer hardware, memory device, storage device.

computer storage (noun)	hardware (noun)
an electronic memory device	(computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
	major items of military weaponry (as tanks or missile)
	instrumentalities (tools or implements) made of metal