What is a Fusion Drive and is it better than a Flash drive? How much does a Fusion Drive cost and is it worth the price? Can you retrofit an Apple Fusion Drive? When buying a new Apple Mac you have the option to buy three different types of hard drive: Serial ATA, Flash Storage or a Fusion Drive. But what is a Fusion Drive? And why does it cost extra. And more importantly: is it worth buying a Fusion Drive with your Mac? What is a Fusion Drive A Fusion Drive is actually two separate drives ‘fused’ together. It contains a Serial ATA drive (that’s a regular hard drive with a spinning plate inside) and a solid-state drive. These are housed toge