Butts come in an average case weight of 60 lbs, so 8 butts. Brisket cases are 60-70 lbs average. I've had as few as 3 briskets and as many as 10 in a case (briskets aren't sorted by size). Smithfield puts 9 racks of full spares in a case, Other processors will put 5 2 slab cryo's in a case. The St.Louis ribs they sell frozen come 14 racks to a case.