>things being disappeared here
A single bread, incl. original, large images and/or even movies, can have easily 500 MB or even more.
At the speeds QR is running (about 15 or more breads per day) that 7 gigs a day.
Now check the Nerve Center for all other boards, do the math for a single year, and you have your answer.
Congrats, then, if you've followed Q's advice to archive offline, you have QR's General (!) for a year.
You might need three or more of those for what's still to come on QR alone (and the other QR threads).
… and then there is the 80-100 other boards on infChan.