Dreamcast Accessories That are a Combination of Memory Card and Rumble Pack

[megasdkirby]

My guess is that they meant megabits and not megabytes, as 512KB is 4Mbits and 128KB is 1Mb. Unless theybtried to ve deceitful from the beginning.

[Niku-Sama]

i think there is a Performance brand tremor pak plus, kind of like the n64 version but for dc of course. i remember seeing those the most in stores when it was new.

also i found this:
https://segaretro.org/Dreamcast_third-party_Jump_Packs