"The Nomad Jukebox shipped in the U.S. in September 2000." [0]

It had 6 GB of storage [1]

0: https://en.wikipedia.org/wiki/Creative_Nomad#Nomad_Jukebox_Z... - second to last paragraph

1: https://www.manualslib.com/manual/576463/Creative-Nomad-Juke...