Meanwhile, a fusion drive is a heard drive with an ssd built in to speed up “common tasks”. In addition to that, the fusion drive is a bit slower when compared to an ssd. Fusion Drive Vs Ssd - Things Nobody Tells You About Fusion Vs Ssd Storage Techlila Ssd Fusion Driving It's much cheaper than the equivalent ssd too; Fusion drive vs ssd speed . Cons of fusion drive are: The fusion drive is a 128gb ssd and a 1tb hdd (i forget if apple uses drives at 5,400rpm or 7,200rpm but, it doesn't really matter for this discussion). Fusion drives tend to offer 1tb of storage, and if you were to opt for that much storage in an ssd you would be looking at paying around £300/$400. Ssd is pure speed while fusion drives are more focused on mass storage, with some speed. Is fusion drive really that bad? The tests were performed on two different imacs a few months after the initial setups. Not quite as fast as ssd; When it comes to a fusion drive, they are much like hdds, w...