When Apple introduced Fusion Drives back in late 2012, they were an attractive option for many iMacs and Mac minis. At a time when SSDs of 1 TB and greater size were expensive, the Fusion Drive seemed to offer the best of both worlds, with a capacious hard disk and a smaller but much faster SSD working in tandem. Since Apple discontinued the iMac 21.5-inch 2019 in April 2021, no Mac has offered a Fusion Drive option, and most significantly they’ve never been available in any model with a T2 or Apple silicon chip. This article considers whether the Fusion Drive was such a good idea, and why they have gone.