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Fusion Drive is Apple Inc.'s name for its implementation of a hybrid drive. Apple's implementation combines a hard disk drive with a NAND flash storage (solid-state drive of 24 GB or more) and presents it as a single Core Storage managed logical volume with the space of both drives combined.
Sorry, there was a problem. Please try again later.A Fusion Drive is 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. MacOS places the more frequently accessed files on the flash storage part of the drive so that they are always quick to obtain, while less frequently used data is stored on the hard drive. The benefit of this solution is that you get the best of both worlds. Faster operation thanks to the fact that the data you use most regularly is accessed quickly from the Flash part of the Fusion Drive, and a lots of storage space for keeping all your files, photos, movies and more backed up.
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