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Can I upgrade the 2TB fusion drive on mid 2017 27 inch iMac

What kind of SSD does apple uses for its 2TB fusion drive? I read on your website that the 2TB is composed of 128 SSD and 2TB 7200 rpm drive. Can I upgrade the 128 SSD with a 3rd party nmve m.2 ? Is there an adpater for it?

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The fusion drive is in the pc world a hybrid drive.

Conventional hard drive platters with a ssd portion of memory on the controller board. You can't simply swap out the Chip and attach a nmve m2...

Your only option is to purchase a bigger hybrid hard drive..

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OWC drives are over rated. Samsung Evo blow them out of the water..

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Remember: You can only put ONE partition on an Apple Fusion drive.

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Do not use the M2 blades in a Mac, They are not reliable. Either go with an Apple original or an OWC. Basically in a fusion drive set up the SSD acts as a cache. Why do you feel you need a larger one? You may be trying to upgrade the wrong drive. What are you trying to accomplish?

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I suggest that you buy big SATA SSD and replace it with HDD.

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