bits per second vs bps

bits per second and bps both are nouns.

Word	Noun	Adjective	Verb	Adverb
bits per second	Yes	No	No	No
bps	Yes	No	No	No

As nouns, bits per second and bps are synonyms defined as:

bits per second and bps: (computer science) the rate at which data is transferred (as by a modem)

bits per second (noun)	bps (noun)
(computer science) the rate at which data is transferred (as by a modem)	(computer science) the rate at which data is transferred (as by a modem)