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MacBook Pro 15" Retina Display Mid 2012 Teardown

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Now we are getting to the good stuff, starting with the SSD. We found a 512 GB Samsung flash memory module.

The chips are marked:

Samsung S4LJ204X01 3-core ARM SSD controller chip - revision seems newer than 830-series SSD

Samsung 213 K9UHGY8U7A 20nm MLC NAND chips

Samsung 201 K4T263140F 256MB DDR2-800 cache memory

Proprietary flash memory is nothing new to Apple. It is, however, new to the MacBook Pro lineup.

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