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"The controller could come from Marvell."Īpple was already the industry's largest NAND flash consumer when, in December 2011, it acquired Israeli-based SSD maker Anobit. "Anobit is their source for SSD, and the HDD is still from Seagate," Zhang continued. "Basically you have two drives: one SSD and one HDD, but with a controller and software that can manage where the data goes." "I think you can call it a hybrid solution," Zhang said.
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The Fusion Drive's 128GB of flash capacity would require a great deal of space inside an HDD form factor, said Fang Zhang, an analyst with research firm IHS iSuppli.
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