The difference is that the B5000 was a single machine while S/360 was a platform...

		wmf on Aug 25, 2016 \| parent \| context \| favorite \| on: The IBM System/360: the first modular, general-pur... The difference is that the B5000 was a single machine while S/360 was a platform of compatible machines with a wide range of prices. IBM also maintained backwards compatibility while it appears that the B6500 did not.