I wish I could remember who said it, and I think it was an IETF thing from the 70s or 80s, but there is a funny and famous phase about this sort of thing:
"Never underestimate the bandwidth of a station wagon full of back up tapes."
"Never underestimate the bandwidth of a station wagon full of back up tapes."
"Never underestimate the bandwidth of a station wagon full of tapes hurtling down the highway."